The long-delayed COVID-19 epidemic has once again highlighted the indispensable and extensive influence of digital technology on a global scale. The rise of new technologies such as artificial intelligence, Internet of Things, 3D printing, augmented reality and virtual reality, and quantum computing is subverting the traditional economic and social operation mode and shaping new development opportunities. How a country responds to the various changes brought about by the technological revolution and establishes corresponding competitiveness around digital technology will not only determine its future economic growth, but also affect its geopolitical status. In this context, countries all over the world have put the digital transformation in the fields of economy, governance and life into the important agenda of the government, and increased resource input and policy support to improve their digital competitiveness.

Not long ago, the European Center for Digital Competitiveness of the European Advanced Business School (ESCP) released the Report on the Promotion of Global Digital Competitiveness in 2021 (Digital Riser Report 2021）。 The research report comprehensively uses the relevant data from the World Economic Forum, the World Bank and the International Telecommunication Union to evaluate and rank the current digital competitiveness of 137 countries around the world, and extracts the best practices of countries with rapidly rising digital competitiveness, so as to provide decision-making and action guidance for other countries. The relevant research conclusions have certain reference significance for countries around the world to understand the advantages and disadvantages of their digital transformation from a macro perspective and to calibrate the strategic direction of enhancing digital competitiveness.

The research report simplifies the definition of a country’s "digital competitiveness" as 10 equal weight factors in two categories: "digital ecosystem" and "digital thinking mode", and divides all countries into nine groups, namely, G7, G20 and Asia-Pacific, Eurasia, Europe and North America, Latin America and the Caribbean, Middle East and North Africa, South Asia and sub-Saharan Africa defined by the World Economic Forum. On this basis, combined with the data of the three years from 2019 to 2021, it is scored and ranked. Among them, the elements belonging to the "digital ecosystem" include the difficulty of obtaining venture capital, the cost of starting a business, the time required for starting a business, the convenience of hiring international talents, and the digital skills of university graduates; The "digital thinking mode" includes the digital skills of the working population, the attitude towards entrepreneurial risks, the diversity of labor force, the scale of mobile broadband users, and the acceptance of subversive business development ideas by enterprises. The scoring results intuitively reflect the changes of digital competitiveness of countries in terms of sub-items and overall, while limiting the ranking to nine groups is to ensure that the comparison baseline is relatively fair and the results are comparable. By combing the relevant evaluation results, the report puts forward three main findings:

Nowadays, the global digital competitiveness is changing.

The research report shows that while the digital competitiveness of some countries and regions is rapidly improving, some leading digital countries in public perception are gradually losing their advantages. Taking China and the United States as two digital superpowers, for example, during 2019-2021, China’s digital competitiveness improved obviously (+211), while the United States showed a decline (-72). Moreover, whether in the G7 or G20 group, the ranking of the increase in digital competitiveness of the United States is in a relatively backward position. The analysis believes that the decline of digital competitiveness in the United States is mainly driven by the dimension of digital ecosystem, including a series of adverse effects such as increasing immigration and visa barriers, which makes it more difficult to attract international digital and information professionals. The promotion of China’s competitiveness is mainly reflected in its strong advantages in the dimension of digital thinking mode, including the proposal and deployment of a series of national overall strategic plans, and taking scientific and technological innovation and entrepreneurship as important measures to achieve high-quality development.

In addition to the United States, Britain (-85), Sweden (-92) and other developed countries in digital technology also failed to show a significant increase in digital competitiveness. India (-396), Germany (-176) and other big countries even experienced a sharp decline in competitiveness in both digital ecosystems and digital thinking modes. However, some countries, such as Georgia (+153), Egypt (+258), Canada (+47) and Vietnam (+339), which do not have a high digital starting point, have become the leaders in this field because they have implemented a series of fruitful digital transformation measures. To some extent, this shows that the global digital competitiveness pattern is in the process of dynamic reorganization, and new global digital technology leaders will appear in the future.

Digital competitiveness is closely related to digital transformation measures.

The research report collects the "Best Practice" of digital transformation in G7, G20 and seven regional economic groups whose digital competitiveness has increased significantly in the past three years, covering the actual progress in the fields of strategic planning, policy assistance, investment support and perfect supervision. For example, through the implementation of the "National Innovation and Skills Plan", Canada set up a strategic innovation fund for digital transformation, adding more than 70,000 jobs, driving more than 45 billion US dollars of investment, and injecting new vitality into the national economy; Vietnam pushes the "National Digital Transformation Plan in 2025", vigorously advocates the adoption of emerging digital technologies, builds a digital government, and sets a long-term goal that the digital economy will account for 30% of the national GDP by 2030; Egypt has vigorously promoted the "ICT 2030 Strategy" and the "Digital Egypt" plan, thus becoming the leader of digital transformation in the Middle East. Therefore, the report believes that the promotion of national digital competitiveness is closely related to the government’s clear long-term goal of digital transformation and leading the formulation and implementation of comprehensive planning for digital transformation.

To enhance digital competitiveness, we need to support digital innovation and entrepreneurship.

The research report found that countries with rapidly rising digital competitiveness pay great attention to attracting international talents, promoting innovation and entrepreneurship, and strengthening the education and training of digital skills. For example, Italy has established a legal framework to provide visa convenience and tax incentives for start-up companies and scientific and technological talents through the Entrepreneurship Law (ISA), thus attracting tens of thousands of start-up companies to register and operate in Italy in just three years; The Spanish government has launched a series of entrepreneurship support policies, including the Entrepreneurship Promotion Law, the establishment of a national entrepreneurship office, and the introduction of outstanding international talents. Georgia is actively implementing the "2017-2021 Strategy for the Unification of Education and Science" to promote the modernization of science, technology and innovation system.

In view of this, the research report emphasizes that each country needs to fully develop its own digital thinking mode and digital ecosystem, and pay attention to the speed and effectiveness of policy implementation in order to improve its digital competitiveness. At the same time, from the evaluation results of global digital competitiveness in 2021, under the influence of multiple factors, the speed of digital transformation varies greatly among different countries, and the global competition pattern around digital transformation also shows a rapid change trend, and there may be many possibilities in the future. Generally speaking, countries that attach importance to and vigorously promote digital transformation can basically make significant progress in a relatively short period of time. Even countries with weak digital foundation can realize the acceleration of digital transformation after taking appropriate actions and measures. Therefore, governments should attach great importance to and carefully consider the future strategic decision-making and management mode in this key field, and effectively promote digital transformation based on actual national conditions.

Family farm agriculture is a new force for high-quality development
There are nearly 600,000 family farms listed in the national list, with an operating land of 160 million mu.

Cartography: Wang Zheping

Family farms, with family members as the main labor force and family management as the basic business unit, engage in large-scale, standardized and intensive agricultural production and management, which is the main management mode of modern agriculture. Since the 18th National Congress of the Communist Party of China, all localities have actively guided and supported the development of various family farms such as agriculture, forestry, animal husbandry and fishery, and achieved solid results.

In recent years, the number of family farms in China has increased steadily, and the quality of development has improved day by day. Family farms have become the growth point of farmers’ income, the focus of industrial prosperity and the experimental field of structural reform of agricultural supply side.

"We have sold mushrooms to Japan, South Korea and Southeast Asian markets, and the income of our family farm is getting better every year." Yu Peiying, head of Kangyi Family Farm in Nanhe County, Xingtai City, Hebei Province, could not hide his excitement. This farm manages 120 mu of land and has four family laborers. It mainly produces edible fungi, walnuts and vegetables, with an annual output value of 1.1 million yuan and a net income of more than 200,000 yuan last year. The thriving family farm is becoming a new force for the high-quality development of agriculture in China.

Family farms, with family members as the main labor force and family management as the basic business unit, engage in large-scale, standardized and intensive agricultural production and management, which is the main management mode of modern agriculture. Since the 18th National Congress of the Communist Party of China, according to the deployment of the CPC Central Committee and the State Council, all localities have actively guided and supported the development of various family farms such as agriculture, forestry, animal husbandry and fishery, and achieved solid results. The reporter learned from the Ministry of Agriculture and Rural Affairs that at present, there are nearly 600,000 family farms listed in the list of agricultural and rural departments in China, with an operating land of 160 million mu. The number of family farms has increased steadily, the quality of development has been improved day by day, and the operating industries have become increasingly diversified.

Policy creation

Small farms have become the growth point of farmers’ income.

In the supply of family farm system, hundreds of millions of farmers have a new support. Good things happen one after another.

This year’s Central Document No.1 emphasizes supporting the development of primary processing of agricultural products suitable for family farms and farmers’ cooperatives. A few days ago, 11 ministries and commissions, including the Central Agricultural Office, issued "Guiding Opinions on Implementing Family Farm Cultivation Plan", and the development of family farms has gained new policy confidence.

Open the net income account of Kangyi Family Farm in 2018, and it will shine at the moment: grain income is 9,000 yuan, vegetables income is 10,000 yuan, walnuts income is 11,000 yuan, and edible fungi income is 220,000 yuan. At present, there are 41,000 family farms in Hebei province, covering 94% of administrative villages, which has effectively boosted farmers’ income. Up to now, there are 100,000 family farms in Anhui Province, ranking first in the country, which has become an important channel for farmers to increase their income.

The Guiding Opinions require that by 2020, the policy system supporting the development of family farms will be basically established, the management system will be more sound, the guidance service mechanism will be gradually improved, and the number of family farms will increase steadily. By 2022, the policy system to support the development of family farms will be further improved, and the production and operation ability and driving ability of family farms will be consolidated and improved.

Zhao Yang, director of the Policy and Reform Department of the Ministry of Agriculture and Rural Affairs, said that speeding up the cultivation of a large number of family farms with moderate scale, intensive production, advanced management and obvious benefits will continuously raise farmers’ income to a new level.

Adhere to the main body of farmers. It is to adhere to the basic position of family management in the rural basic management system, encourage farmers with long-term and stable willingness to farm to moderately expand their business scale, develop various types of family farms, and carry out various forms of cooperation and alliance.

Adhere to a moderate scale. Guide family farms to achieve the best scale benefits according to the industrial characteristics and their own management capabilities, prevent one-sided pursuit of land and other means of production from being excessively concentrated, and prevent "large households".

Adhere to market orientation. Follow the law of family farm development. Give full play to the decisive role of the market in promoting the development of family farms and strengthen the government’s guidance and support for family farms.

Demonstration creation

Small farms have become the focus of industrial prosperity

The geese are led by the head geese, and family farms are no exception.

Jianong Family Farm is located in Gaoxiang Village, Yeshan Town, Tianchang City, Anhui Province. It is one of the top ten local family farms, which makes the person in charge Chen Hongping very happy. As an "old-fashioned" farmer, Lao Chen’s family farm has read "three agricultural classics".

A classic, save money and increase efficiency. The operation scale of 345 mu of Jia Nong’s family farm can make the whole set of agricultural machinery and equipment work happily, which not only saves costs, but also provides appropriate agricultural machinery services to increase income. The new rice varieties introduced by the farm have achieved high quality and good price, and the income per mu has increased by more than 200 yuan.

Two classics, agricultural science and technology. Jia Nong’s family farm adheres to the green concept, adopts the rotation mode, selects new varieties, carries out agricultural prevention and control, and implements cultivation management techniques such as water saving and warming, which is not only environmentally friendly but also increases income.

Three classics, order agriculture. Through multi-party alliance, Jia Nong’s family farm allows itself to grow together with leading enterprises. Based on orders and contracts, family farms can not only form a close interest community with enterprises, but also drive large farmers and small farmers to participate in industrial management.

Zhao Yang said, give play to the role of typical demonstration, promote development through demonstration, summarize and popularize the demonstration models of different types of family farms, and improve the development quality of family farms.

Strengthen the establishment of demonstration family farms and carry out the establishment of demonstration counties of family farms. All localities should follow the principle of "voluntary declaration, merit-based recommendation, step-by-step audit and dynamic management", improve the working mechanism and carry out the creation of demonstration family farms. Relying on rural revitalization demonstration counties, agricultural green development pioneer areas, modern agricultural demonstration areas, etc., support the establishment of family farm demonstration counties where conditions permit, and promote the cultivation of family farms throughout the county.

Encourage all kinds of talents to set up family farms and guide family farms to develop cooperative management. Encourage local talents in rural areas, migrant workers who are willing to return to their hometowns and return to their hometowns, outstanding rural college graduates and scientific and technological personnel to set up family farms.

Huo Mi-cai, a villager in Dawopeng Village, caoshi, Qingyuan Manchu Autonomous County, Liaoning Province, is really not simple. His Mingyu family farm concentrates on rice, with an annual net income of 700,000 yuan. His "secret" lies in the fact that he can store 300-400 tons of grain in the farm’s storage by processing and increasing the value through his own production and operation and purchasing grain from small farmers!

The demonstration of family farms is in full swing all over the country. At present, Zhejiang insists on moderate scale and family management, and has launched 1204 demonstration family farms in the province. According to the system standard of cultivating family farms, 11,107 demonstration family farms have been established in Anhui Province.

Mechanism innovation

Small farms have become experimental fields for structural reform of agricultural supply side.

Where there are family farms, there are continuous deepening actions of structural reform on the supply side of agriculture. On the one hand, family farms deepen the structural reform of agricultural supply side, and the green concept runs through the whole process of agricultural production.

At first glance, the sweet potatoes in Kangyi Farm are growing happily, with green leaves and strong sweet potato vines intertwined like a giant green carpet.

The mechanism of circular agriculture is also introduced here, and a corncob is used twice, and the corncob raw material is used as a culture medium to cultivate fresh mushrooms; The waste from mushroom cultivation is used as organic fertilizer to produce a new mushroom culture medium, which ensures the organic nutrition of the culture medium and the green quality of the products, and improves the comprehensive benefits of planting.

On the other hand, family farms are refining the structural reform of agricultural supply side.

Zhejiang guides family farms to set up cooperatives, from single-handedness to group development, focusing on the reorganization of industry, market and property rights, guiding the main body to unite, and building a pagoda-like management main body system of "small farmers-family farms-cooperatives-agricultural leading enterprises". Starting with the supply of system, Hebei Province supports family farms to become better and stronger. This year, it co-ordinates more than 2 billion yuan of provincial-level financial funds related to agriculture, and develops provincial-level credit exclusive products, providing 2.17 billion yuan of guarantees for 4,317 cooperatives and family farms.

Deepening the structural reform of agricultural supply side in family farms will build a more perfect security system. The relevant person in charge of the Ministry of Agriculture and Rural Affairs said that it is necessary to protect the land management rights of family farms in accordance with the law, improve the service system for the transfer of land management rights, and encourage the orderly transfer of land management rights to family farms. Protect the rights of both parties to land circulation according to law, guide both parties to reasonably determine the rent level, stabilize the relationship between land circulation, and effectively prevent the risk of land lease for family farms.

Deepening the supply-side structural reform of family farms will strengthen the construction of more perfect infrastructure. Zhao Yang said that family farms should be encouraged to participate in the construction of grain production functional zones, important agricultural products production protection zones, characteristic agricultural products advantage zones and modern agricultural industrial parks. Support family farms to participate in the construction of high-standard farmland and promote centralized contiguous management.

Yu Peiying is beaming with joy: "Counting accounts, the family farm of four people in my family has a per capita income of more than 50,000 yuan, which I didn’t even think about before. This is good, that is good, and it is not as good as income growth. This sweetness, that sweetness, is not as sweet as a purse! " (Reporter Gao Yuncai)

　　On May 15th, at the press conference held by the State Council Press Office, the National Bureau of Statistics released the main index data of national economic operation in April. The data shows that in April, the production sector grew steadily, the market demand continued to expand, the employment situation continued to improve, consumer prices rose moderately, the supply-side structural reform was further promoted, the old and new kinetic energy was accelerated, and the quality and efficiency of economic operation were further improved.

　　Xing Zhihong, spokesperson of the National Bureau of Statistics and director of the National Economic Statistics Department, said that although some indicators declined in April, there were many positive changes in the relationship between supply and demand, quality and efficiency, and market expectations in economic operation. "Stability" was the main tone, "progress" was the key word, "good" was the general trend, and the national economy was expected to continue to maintain a stable and positive trend.

　　The main tone of "stability" has not changed.

　　The data shows that the growth rate of some economic indicators declined in April.

　　"This is mainly due to this year ‘ May Day ’ The small holiday is ahead of schedule and the working day is reduced by one day. " Xing Zhihong said that if we compare the growth of economic indicators in April with January-February and last year, we can find that the performance of relevant indicators is not weak. Taking industry as an example, in April, the year-on-year growth rate of industrial added value above designated size was 0.2 percentage points faster than that in January and February, and 0.5 percentage points higher than that in the same period last year. Among the monthly growth rates since 2015, the growth rate of 6.5% is also at a high level.

　　"The decline in the growth rate in the month has not affected the steady development trend of the cumulative growth rate." Xing Zhihong said that the cumulative industrial growth rate from January to April was 6.7%, which was basically the same as the 6.8% in the first quarter; The cumulative growth rate of retail sales of social consumer goods was 10.2%, 0.2 percentage points faster than that in the first quarter. It can be seen that the slight decline of some economic indicators in April is not a trend change, but a small fluctuation within a reasonable range and an expected range.

　　Xing Zhihong said that from the four important indicators of economic growth, price level, employment status and balance of payments, China’s economy continued to operate steadily in a reasonable range, and the main tone of stability remained unchanged, achieving stable economic growth, stable employment, overall stable prices and relatively stable balance of payments.

　　The strength of "entering" is increasing.

　　Xing Zhihong said that in April, China’s economic operation was intensified, structural adjustment continued to advance, and the momentum of transformation and upgrading was good. The "three to one, one reduction and one supplement" was solidly promoted, and the policy effect was further revealed.

　　— — In terms of capacity reduction, steel production increased by 1.7% year-on-year in the first four months, and the growth rate dropped by 0.4 percentage points compared with the first quarter. Cement and raw coal production increased by 0.7% and 2.5% respectively. At present, the steel production capacity is 31.7 million tons, and the coal production capacity is 68.97 million tons, achieving 63.4% and 46% of the target tasks for this year respectively. In terms of destocking, the area of commercial housing for sale nationwide decreased by 7.2% at the end of April, which was 0.8 percentage points higher than that at the end of March. In terms of deleveraging, the asset-liability ratio of industrial enterprises above designated size was 56.2% in March, down 0.7 percentage points year-on-year.

　　— — In terms of cost reduction, from January to March, the cost per 100 yuan of main business income of industrial enterprises above designated size was 85.25 yuan, down 0.15 yuan year-on-year.

　　— — To make up for the shortcomings, the investment in ecological protection and environmental management increased by 50.4% in the first four months, the investment in public facilities management increased by 28.4%, and the investment in water conservancy management, transportation and warehousing and postal services increased by 16.1% and 16.7% respectively.

　　"Since the beginning of this year, the leading role of innovation has improved, new kinetic energy has continued to grow and develop, and entrepreneurial innovation has a good momentum." Xing Zhihong said that in April, there were 556,000 newly registered enterprises nationwide, a year-on-year increase of 9.2%, with an average of 18,500 newly registered enterprises every day. New formats and new models have grown rapidly, and the proportion of online goods in the retail sales of social consumer goods has reached 12.9%, up 1.8 percentage points year-on-year. Driven by the rapid development of e-commerce, the volume of express delivery business is also growing rapidly, and it is expected to increase by 31.1% from January to April.

　　"Good" conditions are increasing.

　　Xing Zhihong said that since the beginning of this year, the positive factors in China’s economic operation have been accumulating, and the steady and positive development trend is sustainable.

　　From the perspective of supply and demand, although the year-on-year increase of PPI has declined in the past two months, the improvement of supply and demand in most industries continues and the market demand continues to expand. In April, the prices of 34 of the 40 industrial sectors were higher than the same period of last year, and the increase was further expanded; Among the 596 industrial products, the output of 419 products was higher than that of the same period of last year, with an increase of 70.3%; What is even more commendable is that the production and sales rate reached 97.6%, up 0.1 percentage points year-on-year, indicating that the relationship between supply and demand in the market continued to show an improvement trend.

　　"This improvement in the relationship between supply and demand is achieved in the context of structural reform on the supply side and the transformation of old and new kinetic energy. It appears on the premise that both supply and demand structures are optimized, and new supply is born through new demand, and new supply creates new demand, not just the result of cyclical factors." Xing Zhihong said.

　　"The upward momentum of the economy and the downward pressure of the economy coexist, and some long-term accumulated structural contradictions still exist." Xing Zhihong said that at present, China is in a critical period of speed shifting, structural optimization and kinetic energy conversion, and it still needs to pay close attention to new situations and new problems in economic operation. (Economic Daily China Economic Net reporter Lin Huocan)

Destroy data and roll up actual combat "shock wave"
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—— A brigade of the 26th Army made a real explosion drill and broke through the traditional training concept.
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The moment when the armor-piercing projectile damaged the tank, our special correspondent Qiu Chengliang took a photo.

introduction

How to fight? How do soldiers practice? A brigade of the 26th Army has used 11 kinds of ammunition to conduct real explosion drills on 37 armored combat vehicles, artillery, transport vehicles and other equipment of 5 categories, and collected thousands of groups of target damage data. The brigade entered this data into the system to evaluate the strike effect, and many conclusions broke through the traditional training concept, opening a new field of vision for officers and men in actual combat training.

The first hit doesn’t mean effective damage, only hitting the key can defeat the enemy with one blow.

Three shells hit a tank with composite armor one after another. I thought the victory was in hand, but the evaluation result was unexpected: "Hit the frontal armor, no substantial damage was caused to the target, and the damage was invalid!" This conclusion made Shi Yong, a "super shooter" of a brigade of the 26th Army, very depressed.

"When I was a soldier for 14 years, I experienced hundreds of large and small exercises. As long as it was the first hit, it was rated as an effective shooting. I didn’t expect to hit a nail in front of the real guy."

In fact, Shi Yong was not the only one who hit a nail in this live-fire drill. According to the leader of the brigade, more than 10 super shooters in the whole brigade were defeated in the first round of real shooting.

The actual data questioned the traditional training concept-is it actual combat when a gun is fired and a cannon is fired? Ammunition consumption, meters, seconds, rings … Can these indicators be simply equated with fighting skills?

These two question marks not only hover on the training ground, but also weigh on the hearts of the "group of people" of the brigade party Committee. Actual combat training is not an empty slogan, it must stand the test of actual combat standards. To this end, they introduced the actual training data into actual combat training, re-examined the traditional training methods and tactics, and seven "gold medal courses" that did not meet the actual combat standards were stuck outside the training ground.

Problems on the training ground must be solved on the training ground. In the subsequent resumption, Shi Yong and other defeated shooters made "zero distance" contact with the hit tanks, and compared the collected damage data, repeatedly analyzed and found out the reasons for not forming effective damage.

"The first aiming position should be the engine compartment of the tank. If you attack with an armor-piercing projectile, even if it can’t be destroyed, it will cause damage to the crawler and lead to paralysis …" At the military democracy meeting, officers and men had a deeper understanding of the first hit.

The first enemy to fire does not mean to seize the opportunity. Only by measuring the enemy’s troops can we win every battle.

The brigade has 701 vehicles in the 3rd Battalion and 7th Company, which is the best "red flag vehicle" in the whole brigade. It has shot down 326 targets in previous exercises. However, in this drill, because the enemy fired first, they not only missed each other, but became living targets.

The leader of the brigade told the reporter that according to the battlefield data, the target tank is better than ours in terms of artillery range and armor protection. In the face of such a strong enemy, the first enemy to fire will not achieve the effect of destroying the enemy, but will be exposed prematurely, thus falling into the unfavorable situation of "the enemy can beat me and I can’t beat the enemy."

"Driving into a pit can reduce the exposed area, and you can hit and run by relying on the soil slope, and drilling into shrubs can interfere with ranging …" Li Ruijie, a tank driver, told reporters that in order to overcome the weakness of his own tank and attack the enemy as much as possible, it is necessary to not only lower the "posture" but also make good use of the surrounding topography and protect himself before attacking the enemy.

The reporter saw at the drill site that Li Ruijie’s motorcade simply circled around the other side for maneuver defense, attracting the "enemy" tanks to keep turning, while another tank of its own took this opportunity to approach quickly and quickly, aiming at the enemy’s weak points and shooting a fatal blow, staged a wonderful confrontation with the inferior to win the superior.

The central position is not equal to the key position, and only by selecting the target can we get twice the result with half the effort.

It’s better to miss than to hit right! If this matter is usually placed on any officer, it is unbelievable. But it happened firmly in the actual combat environment.

"boom! Boom! " With two loud noises, two anti-tank missiles from the second battalion of Bubu successively hit the turrets of two tanks, and at that time the flames soared. The reporter went out with the rescue team and saw that the first missile hit the center of the turret and the second hit the lower left of the turret.

Just as the officers and men cheered for the first missile, the battlefield damage data showed that the first missile only damaged the gun bolt; The second shot destroyed the vehicle-mounted radio and artillery aiming mechanism, and hit the tank ammunition bin, which was better than the first shot.

The evaluation results surprised officers and men, and the traditional training concept of winning by hitting the bull’s-eye for many years was a bit untenable. "In the past, actual combat training was unilaterally understood as playing live ammunition, blindly emphasizing playing more, playing well and playing accurately, and the research on the damage effect of hitting targets was not deep." The brigade leader said that this time, the brigade party Committee introduced the actual combat data into the actual combat training, guided the training with the training concept based on effect combat, and established the actual combat coordinate system supported by damage data.

The target damage data system is impacting the brigade’s traditional operational concept. The reporter was pleasantly surprised to see at the brigade training ground that the target target changed from the "white cloth target" in the past to a real tank, and the fixed target became a mobile target. The officers and men studied the tactics and play with reference to the damage data collected by the actual combat. Talking about these changes, Kong Chen, the squad leader of Bubu No.5 Company, was deeply touched: "The target bull’s-eye in actual combat needs combatants to find it with their brains."

Battlefield viewpoint

Learn to "fight with data"

■ Ma Shujiang

The actual combat is not real, the effect is how, the experience does not count, and the data has the right to speak. Operational data has become a key factor in the generation of combat effectiveness, and the search, analysis and processing of data will become a decisive factor in winning future wars.

Information is the eye, data is the courage. The characteristic of actual combat is precision. Accuracy, precision and fineness all come from specific data information. Only by being good at speaking with data can we accurately judge the target, select the key points and accurately release the energy.

Under the conditions of modern warfare, operational advantages are concentrated in information advantages, which are highly dependent on data advantages. Nowadays, all kinds of information equipment of our army are installed in succession. However, it is not enough to have information-based weapons and equipment. Commanders also need to be able to construct data, digest data and be good at speaking with data. In every link and element of combat, data should be used for embodiment, data expression, data proof and data decision.

Good calculation has a chance of winning. Data is indispensable to mastering the truth, scientific decision-making depends on data, and it is necessary to attach importance to data to defeat the enemy. Only by constantly strengthening data awareness and cultivating the habit of fighting with data can we make the battlefield nerves more sensitive and ensure our army to win more.

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车系eπ008拥有5002*1972*1732mm的长宽高尺寸，轴距为3025mm，前轮距和后轮距均为1650mm，确保了宽敞舒适的车内空间。车侧线条流畅而动感，搭配265/45 R21规格的轮胎和时尚的轮圈设计，突显出强烈的运动气息。

eπ008的内饰设计采用了简约而不失科技感的风格，车内采用了大量高品质材料，提升了整体的豪华感。方向盘采用真皮包裹，手感出色，并且支持手动上下和前后调节，满足不同驾驶者的个性化需求。中控台上配备了一块15.6英寸的高清触控屏，集成了多媒体系统、导航、电话、空调等多种功能，并且支持语音识别控制，提高了操作的便捷性和智能化水平。车内还配备有USB和Type-C接口，方便乘客为电子设备充电。前排座椅采用了仿皮材质，支持前后调节、靠背调节、高低调节以及腰部支撑调节，提供舒适的乘坐体验。主驾驶座椅还具备加热、通风、按摩功能，并配备了头枕扬声器，提升了舒适性和娱乐体验。副驾驶座椅同样支持多种调节功能。第二排座椅支持靠背和腿托调节，提升了后排乘客的舒适度。此外，后排座椅可以按比例放倒，增加了行李空间的灵活性。

eπ008搭载了一台1.5T 147马力的高效L4发动机，最大功率达到108千瓦，最大扭矩则为210牛·米。与之匹配的是电动车单速变速箱，为车辆提供了强劲的动力输出和平顺的驾驶体验。

汽车之家车主 对 eπ008 的外观给予了高度评价，她表示：“外形很大气！前脸很帅！颜值高！开出去回头率很高！车标也简洁！” 这种设计无疑使得 eπ008 成为了路上的一道亮丽风景线。

　　In the new era, Socialism with Chinese characteristics has made great achievements, and China is increasingly showing the image of a great country with beautiful mountains and rivers. The picture shows Hulu River in Xiji County, Guyuan City, Ningxia after treatment. Xinhua News Agency reporter Wang Peng photo

　　On September 23, the first "One Belt, One Road" International Ocean City Cultural Photography Week opened in Dalian. The picture shows visitors enjoying the photographic works on display. Xinhua news agency

　　Socialism with Chinese characteristics is the theme of the whole theory and practice of the Party since the reform and opening-up, and it is the fundamental achievement that the Party and the people have made through untold hardships and paid a huge price. Since the reform and opening up, the great creation and great achievements of Socialism with Chinese characteristics’s theory and practice have not only profoundly changed China, but also profoundly influenced the world.

　　In the new era, to further strengthen the "four self-confidences" and consistently uphold and develop Socialism with Chinese characteristics, we need to profoundly grasp Socialism with Chinese characteristics’s great contribution in the history of world socialism development and human society development.

　　1. Glowing the strong vitality of scientific socialism.

　　Since the reform and opening-up, the Communist Party of China (CPC) has led the people of all ethnic groups in China to unswervingly March forward along the road of Socialism with Chinese characteristics, pushing China’s economic strength, scientific and technological strength, national defense strength and comprehensive national strength into the forefront of the world, promoting China’s international status to achieve unprecedented promotion, and making China increasingly show the image of an oriental power with clear politics, economic development, cultural prosperity, social stability, people’s unity and beautiful mountains and rivers. In just 40 years, Socialism with Chinese characteristics has made scientific socialism glow with great vitality in China with a population of more than 1.3 billion, and its significance and contribution are of course extremely significant and self-evident.

　　First, it proves that Marxism and scientific socialism will never fade. Whenever the international communist movement suffers setbacks and the world socialism falls into a low tide, there are always voices that question the truth of Marxism and scientific socialism. After the drastic changes in Eastern Europe, the world was suddenly filled with various arguments such as "failure", "bankruptcy", "failure" and "outdated" of Marxism. Over the past 40 years, Socialism with Chinese characteristics’s great achievements have not only proved the absurdity of these arguments, but also proved the great truth power and vitality of Marxism. Because, these great achievements are precisely the result of long-term efforts by the Communist Party of China (CPC) people who have always believed in the scientificity and truth of Marxism and regarded Marxism as an expert, United and led the people of all ethnic groups throughout the country, adhered to Marxism as the fundamental guiding ideology, unswervingly followed the correct path of Marxism in China, kept pace with the times and practiced the basic principles of Marxism and scientific socialism. In the new era, Socialism with Chinese characteristics has made great achievements, so we must cherish the truth value of Marxism leading the times, persevere in promoting the modernization and popularization of Marxism in China, and make Marxism shine more brilliantly.

　　Second, it has set up a dazzling great banner of scientific socialism in the world, that is, the great banner of Socialism with Chinese characteristics. Needless to say, after the drastic changes in Eastern Europe, it was doubtful whether socialism could stand in the world at that time. Regarding this question, Comrade Deng Xiaoping said that as long as socialism in China does not fall, socialism will always stand in the world. After long-term efforts, Socialism with Chinese characteristics has not fallen, but has entered a new era and become the mainstay of world socialism. This is of great significance to Marxism, scientific socialism and world socialism.

　　Third, it has greatly boosted the confidence of the people of the world in socialism. In the history of the development of world socialism, Socialism with Chinese characteristics’s great theoretical and practical creation is of great significance to shake things up and restore confidence, and it also proves how far-sighted Comrade Deng Xiaoping was when he put forward in early 1992 that "there will be more people in favor of Marxism in the world". Indeed, in the face of Socialism with Chinese characteristics’s great achievement of "unique scenery here", more and more people in the world will seriously think about the development prospects of socialism. We have reason to believe that as long as we hold high the great banner of Socialism with Chinese characteristics in the world, and as long as Socialism with Chinese characteristics makes more and more original contributions to the development of Marxism in the new era, the attraction of scientific socialism in the world will surely increase day by day, and world socialism will finally usher in a bright future.

　　2. Expanding the way for developing countries to move towards modernization.

　　Since the reform and opening up, socialism in China has been full of hope, vitality and new vitality. The fundamental reason is that our party has led the people out of a correct path. Such a road is the Socialism with Chinese characteristics Road. Practice has proved that Socialism with Chinese characteristics Road is the only way to realize socialist modernization and create a better life for the people. Socialism with Chinese characteristics Road was gradually formed by China based on its own national conditions and practice, drawing wisdom from Chinese civilization, drawing on the strengths of various schools in the East and the West, sticking to it but not being rigid, learning from it but not copying it. This road is neither "traditional" nor "foreign", nor "westernized", but "original", which is the result of our party’s hard work, pioneering and enterprising, exploring the truth and grasping the law.

　　It should be pointed out that it is not easy for us to walk out of such a correct path. The Communist Party of China (CPC) and the people of all ethnic groups in China under his leadership finally woke up after setbacks and hesitation, and finally came out successfully. As the General Secretary of the Supreme Leader said: "In the past, we copied our books and imitated others. We were confused and frustrated. We hit a wall again and again, woke up again and again, practiced again and again, and broke through again and again, and finally embarked on a road to success in Socialism with Chinese characteristics."

　　Socialism with Chinese characteristics Road is a right path on earth, which belongs not only to China, but also to the world. Socialism with Chinese characteristics’s entry into a new era means that it provides a brand-new choice for countries and nations in the world who want to speed up their development and maintain their independence, and expands the way for developing countries to move towards modernization.

　　On the choice of modernization road, China has always advocated the diversification of development mode. No one should regard his own development road as a statue, let alone impose his own development road on others, and has always resolutely safeguarded the diversity of human civilization development. However, this does not mean that China’s modernization road has no reference significance for the modernization of developing countries. In fact, since the international financial crisis, there have been many problems in the western development model and road, and the prospects are worrying, and the world has generally begun to lose confidence in it. Many developing countries have paid special attention to studying and learning from the valuable experience of Socialism with Chinese characteristics Road, which is "unique in scenery".

　　Socialism with Chinese characteristics Road shows the world that there is no universally applicable development road in the world, and the modernization road should proceed from the national conditions. The road to modernization should put people’s interests first, and take improving people’s lives and enhancing people’s well-being as the starting point and the end result. The road to modernization should adhere to reform and innovation, and there is no way out of rigidity and stagnation. The road to modernization must persist in seeking common development through opening up, and closing the country to the outside world and beggar-thy-neighbor can only lead to a dead end.

　　3. Contributed to China’s wisdom and China’s plan to solve human problems.

　　Socialism with Chinese characteristics’s great contribution to the development history of human society lies in that it has fully demonstrated China’s image as a responsible big country that adheres to peaceful development, promotes common development, safeguards international fairness and justice, and contributes to mankind. At the same time, it has contributed and will continue to contribute to China’s wisdom and China’s plan to solve human problems.

　　China’s wisdom and China’s plan for maintaining world peace. Socialism with Chinese characteristics has not only greatly enhanced the power of loving and maintaining peace in the world, but also contributed to China’s solution to world peace problems, that is, abandoning the cold war mentality and power politics, unswervingly holding high the banner of peace, development, cooperation and win-win, adhering to the road of peaceful development, taking a new road of state-to-state exchanges of dialogue without confrontation and partnership without alliance, promoting civilized exchanges of harmony but diversity and eclecticism, and promoting the building of a community of human destiny.

　　Contributed to the Chinese program to promote the common development of mankind. Socialism with Chinese characteristics adheres to the principles of mutual respect, equal treatment, win-win cooperation and common development, insists that all countries are participants, contributors and sharers of global development, combines the interests of the people of China with the common interests of the people of all countries, and allows more countries and regions to participate in the construction of the Belt and Road. Welcome all parties to take the express train and free ride developed by China, strive for fair development for all countries, especially developing countries, and strive to enhance the development capacity of all countries, improve the international development environment, and

　　It should be pointed out that while China is committed to eradicating poverty, it has always actively carried out South-South cooperation, supported and helped developing countries, especially the least developed countries, to reduce poverty, improve people’s livelihood, improve the development environment, and promote the building of a community of human destiny. China has helped more than 120 developing countries to implement the Millennium Development Goals, which has injected a strong impetus into accelerating the overall development process of developing countries.

　　China’s wisdom and China’s plan to improve global governance. Socialism with Chinese characteristics adheres to the concept of global governance, advocates the democratization of international relations, insists that all countries, big or small, strong or weak, rich or poor, are equal, supports the United Nations to play an active role, supports expanding the representation and voice of developing countries in international affairs, insists that China should play a responsible role as a big country, actively participates in the reform and construction of the global governance system, and injects Chinese strength into the reform and optimization of global governance.

　　Contributed to the Chinese program of mankind’s pursuit of a better social system. Socialism with Chinese characteristics not only firmly believed that "history has not ended, nor can it be ended", but also declared the bankruptcy of "the conclusion of the end of history" and the bankruptcy of the one-line historical view based on the western institutional model. Socialism with Chinese characteristics contributed to the China wisdom of mankind in pursuing a better social system. China’s practice has explained a truth to the world: governing a country and promoting a country’s modernization is not just the way of the western system model, and countries can completely go out of their own way.

　　Socialism with Chinese characteristics has also provided China’s plan for mankind’s exploration of a better social system. For example, firmly occupy the moral commanding heights to promote the progress of human society and realize the beautiful ideals of mankind. Dare to open the door to stubborn diseases accumulated for many years, dare to touch deep-seated interests and contradictions, resolutely break through the shackles of ideas, resolutely break the barriers of solidification of interests, and resolutely remove institutional and institutional obstacles that hinder the development of social productive forces. Dare to promote theoretical innovation, practical innovation, institutional innovation and other aspects of innovation, so that the system is more mature and stereotyped, development is more quality, governance is more level, and people have a sense of gain, satisfaction and happiness.

　　 (Author: China Academy of Social Sciences Supreme Leader New Era Socialism with Chinese characteristics Thought Research Center Author: Liu Zhiming)

Writing/Photo courtesy of Liu Zhirong

You can’t always stay at home, but you have to travel, or commute to work, or go on business trips, sightseeing, and travel can’t be separated from subways, railways and highways. When you take subways, trains and highways, have you ever wondered: How are those tunnels dug through them?

Early tunnel excavation was manual plus blasting.

In the past, the way of tunnel excavation was manual excavation and blasting. For soil layer and gravel geology, manual excavation was used, and tools such as pickaxe and shovel were used to excavate the tunnel face. As far as rock geology is concerned, pickaxes and shovels can’t be dug, so it is necessary to use explosives to blast rocks at the tunnel face, and then transport the gravel out of the tunnel.

"Face" is a civil construction term, which refers to the excavation face that keeps advancing during tunnel construction.

As far as subway tunnels are concerned, in the past, the "open excavation and landfill method" technology was mostly adopted, that is, the street was destroyed first, and a ditch was dug by uncovering the cover, and then the tunnel wall was poured in the ditch. After the tunnel was built, it was buried and compacted with earthwork, and the street was repaired again. In the early days of Chinese mainland, the subway tunnel was excavated by "open excavation and landfill method", and later the "shield machine excavation method" was adopted. Shield machine was used to dig tunnels in the construction of Guangzhou’s first subway line (Line 1).

In the past hundred years, shield machines have gradually become popular in tunnel excavation. At present, shield machines are basically used in long tunnel excavation.

Britain used a shield machine to dig tunnels in 1825.

"Shield machine" is a name in China, generally known as "tunnel boring machine" (TBM) internationally, and "mole" in civil engineering jargon, because it digs holes underground like a mole.

In 1825, Britain used a shield machine when digging the Thames Tunnel. This shield machine was invented by Sir Mark issam Bald brunell, a French-born British engineer, and he applied for a patent for the shield machine. The Thames Tunnel is 396 meters long and passes through the Thames River in London.

In 1845, the international railway from France to Italy was opened. This railway ran across the Alps, and it was necessary to dig the Freres Tunnel at an altitude of 1,123 meters. This tunnel was 14 kilometers long, which was the longest tunnel in the world at that time. The tunnel ran through the Freres Peak at an altitude of 2,932 meters, that is to say, the maximum thickness of the rock above the tunnel was 1,809 meters.

In order to build this tunnel, Henry Joseph Mauss invented the "mountain cutting machine", which was manufactured in an arsenal near Turin, Italy in 1846. The "mountain cutter" looks like a locomotive, with more than 100 vibrating drill bits in front, which are used to smash the rocks on the face. "Mountain cutting machine" already has some functions of modern shield machine.

In 1853, ebenezer Talbot, an American, applied for the patent of shield machine, and the patent name was "Tunnel Boring Machine".

In 1870, john D bruton, an Englishman, developed and manufactured a shield machine with cutter head, which is very close to the shield machine widely used now.

In 1875, the French National Assembly passed a bill to build the English Channel Tunnel, and the British shield machine was selected for excavation. From June 1882 to March 1883, the shield machine excavated 1882 meters on the British side; Alexander Lavalle, a French contractor who built the Suez Canal, used a shield machine to dig 1,669 meters on the French side. Practice has proved that the efficiency of tunneling with shield machine is very high. However, the project was terminated in 1883 because France was later worried that Britain would use the English Channel Tunnel to attack France.

The success of shield machine in the English Channel Tunnel has inspired many civil engineers. In 1883, Britain used a shield machine to dig the tunnel under the Mersey River from Biegenheit to Liverpool, with a diameter of 2.1 meters and a length of 2 kilometers.

In the 20th century, people constantly improved the shield machine. Nowadays, all kinds of shield machines are constantly running in tunnel projects all over the world every day.

How does the shield machine dig the tunnel?

It is easier to understand the working principle of shield machine from its international common name "tunnel drilling rig": it is a big drilling rig that drills a hole in the ground or mountain.

Shield machine can be regarded as the largest construction machinery in civil engineering, with a large diameter of 178 meters and a length of more than 100 meters. The front of the shield machine is a huge cutter head with cutter head array. When driving, the cutter head rotates to cut the earth and stone on the tunnel face, and the muck flows into the muck bin from the gap of the cutter head, which is conveyed to the belt conveyor by the screw machine, and then transferred to another longer belt conveyor to transport it to the muck disposal site outside the tunnel, or transported to the tunnel by the track muck truck.

Readers with a little common sense should understand that if there is no thrust behind the cutter head, it is impossible to cut the earth and stone on the face. So, how to give the cutter head thrust?

This thrust comes from the hydraulic jack of the shield machine. If the tunnel is excavated on hard rock, two huge hydraulic jacks on the shield machine lean backward against the rock walls on both sides of the excavated tunnel and push the cutter head forward to cut the tunnel face.

If the tunnel is dug in the soft geological layer, the above method cannot be used, because the hydraulic jack will sink into the soft tunnel wall and cannot provide thrust. At this time, it is necessary to use another method to make several small hydraulic jacks push against the lining segment installed at the back at the same time to provide thrust for the cutter head horizontally forward, which is also a common shield method in subway tunnels at present.

The lining segment is the reinforced concrete precast member on the tunnel surface that we can see with our naked eyes in the tunnel. These segments are made in the ground reinforced concrete precast yard. After the segment is transported into the tunnel mouth, there is no need for manual intervention, and the transportation to installation is completely automatic.

The width of the lining segment should match the distance that the hydraulic jack advances each time, that is to say, the width of the segment is as many centimeters as the hydraulic jack advances each time. When the hydraulic jack is pushed to the end, the cutterhead stops rotating to cut the tunnel face, and segments are assembled around the tunnel in the shield section of the shield machine. The segment assembling machine on the shield machine is as dexterous as a human hand, movable, rotatable and retractable, which can assemble segments in place steadily and safely with accuracy of millimeter level.

When assembling a segment, several hydraulic jacks responsible for jacking the segment will contract, leaving a certain space for assembling the segment. After the segments are assembled in place, the hydraulic jack will stretch out and gently hold it, and so on until all segments in this circle are assembled in place. At this point, all the hydraulic jacks began to pressurize evenly, and together with the newly assembled segment, the cutter head was pushed forward by the reaction force to continue cutting the working face and move forward.

During the construction of the shield machine, the cutterhead cuts the tunnel face and assembles segments alternately, and the whole shield machine moves forward step by step under the push of the hydraulic jack until the tunnel is dug through. If the geology is soft, tens of meters can be excavated every day; If you encounter hard rocks, you can only dig dozens of centimeters every day.

The gap between the lining segment and the tunnel wall should be filled with mortar to reinforce the segment, maintain the stability of the whole lining and prevent water from leaking into the tunnel.

The series of complicated processes mentioned above are all completed automatically by the shield machine. There is a central control room in the shield machine, and all key parts of the shield machine have sensors, which transmit the collected data to the central control room. Operators can know the working situation of the shield machine through various data displayed on the display and intervene when necessary.

The cutter head on the cutter head should be maintained and replaced frequently. There is also a sensor on the cutter head. When the temperature of the cutter head rises to a certain value, it will send an alarm signal to the central control room.

How does the shield machine turn in the tunnel?

After reading this, some readers may ask, can the shield machine turn in the tunnel?

Of course you can. Most urban subway tunnels are excavated under the streets, and the tunnels are designed along the streets, with constant turns and "jumping up and down" according to the underground conditions. Highway and railway tunnels should also be selected according to landform, geology and hydrology, which also requires the shield machine to turn 360 degrees.

The turning of shield machine is realized by changing the cutting direction of cutter head with lining segment. Where a turn is needed, the width of each ring of lining segment is different. If turning to the left, the width of the right segment is designed to be wider than that of the left segment according to the turning radius. In this way, the hydraulic jack on the right will tilt the cutter head to the left to realize the left turning. If turning right, the width of the left segment is designed to be wider than that of the right segment according to the turning radius, so that the hydraulic jack on the left will tilt the cutter head to the right and realize the right turn. The steering principle of "jumping up and down" is the same as above.

At present, the largest shield machine in the world has a diameter of 17.5 meters.　　

On September 15th, 2006, the Niagara Tunnel, which was used for water diversion irrigation in Canada, was drilled. The tunnel was 10.2km long and passed 140m underground in Niagara Falls, Ontario, Canada. The shield machine used was "Big Becky" made by Robbins Company of the United States, with a diameter of 14.4m. The cutter head was driven by 15 motors with a power of 4.7 million watts (6,375 horsepower), which was the largest shield machine in the world at that time. The reason why tunnels should be dug in such a deep underground is to prevent shield construction from affecting ground buildings.

In 2011, the 5030-meter-long Spavo Tunnel near Florence, Italy was drilled. The rock shield machine used was Martina produced by Herrick Company of Germany. The shield has a diameter of 15.62 meters, a length of 130 meters, a weight of 4,500 tons, a cross-section of 192 square meters, a total power of 18 megawatts and a thrust of 40,000 tons. Herrick also designed a shield machine with a diameter of 19.25 meters, but it has not yet been built.

Bertha, a shield machine made by Hitachi Shipbuilding Co., Ltd. in Japan in 2012, has a diameter of 17.5 meters, a length of 110 meters and a weight of 7,000 tons. The cutter head has 260 cutter heads. This shield machine was ordered by the Washington State Transportation Bureau of the United States and used to replace the tunnel excavation of Alaska Viaduct on Highway 99 (the upper and lower lanes of the tunnel), which is by far the largest shield machine in the world.

Advantages and disadvantages of shield tunneling

There are many advantages in tunneling with shield machine. It is not affected by ground factors and can be constructed all day; It also does not destroy the ground buildings, cultural relics and natural environment, and belongs to ecological and environmental protection construction; Because the excavation, muck discharge and lining segment are all automated, a lot of labor is saved and the accident risk is reduced.

The main disadvantage of tunneling with shield machine is that the initial investment cost is too high. Most shield machines are customized according to tunnel design drawings, with long construction preparation period, high maintenance cost, and low economic benefits of tunneling short tunnels. Generally speaking, the tunnel length is more than 1 km, which has economic benefits.

Finally, the shield machine can not only dig circular tunnels, but also be designed to dig tunnels with arbitrary cross sections, such as rectangular tunnels and elliptical tunnels. People also use shield machines to dig water pipelines, sewage and drainage pipelines, and even power pipelines.

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Cadillac XT6 shows the unique charm of luxury cars with its elegant and smooth side design. The body size is 5056mm x 1964mm x 1777mm, and the wheelbase is 2863mm, which ensures a spacious interior space. The balanced distribution of the front wheel track of 1687mm and the rear wheel track of 1683mm not only enhances the stability of the vehicle, but also improves the dynamic performance of driving. Tyre size is 235/65 R18, with exquisite rim design, which is not only practical and wear-resistant, but also adds visual beauty to the vehicle. On the whole, XT6’s side lines are in harmony with proportions, which shows the perfect combination of luxury and strength.

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A starving baby, if the mother has other conditions such as insufficient milk, will usually be fed by other lactating mothers instead. This kind of behavior in humans is popularly called "wet nurse feeding", and scientifically it is defined as allomaternalbreastfeeding.

In fact, scientists have observed similar phenomena not only in humans, but also in rodents and primates. A recent study by scientists in China has further expanded the scope: the research team led by Zuo Fu, a professor at the School of Life Science and Technology of Central South University of Forestry and Technology, and Li Ming, head of the primate ecology research group of the Institute of Zoology, Chinese Academy of Sciences, obtained the evidence of the old world monkey’s maternal lactation for the first time. The research results were published on February 21st, Beijing time, in Science Progress, a sub-magazine of Science.

Breastfeeding behavior of Sichuan golden monkey. The pictures in this paper are provided by the research team.

In an interview with The Paper reporter (www.thepaper.cn), Zuo Fu said, "This is the first time to report that regular partheno-lactation exists in Old World monkeys, which has expanded the distribution of partheno-lactation in primates and made it appear in different groups such as proto-monkeys, New World monkeys, Old World monkeys and even humans."

Higher primates, that is, anthropophagus, include New World monkeys distributed in South America and Old World monkeys distributed in Eurasia (Old World). Previously, there was no report about the maternal lactation behavior of Old World monkeys. According to Zuo Fu, the research team started this new research in 2012 and observed it continuously for five years. The research was carried out in Dalongtan Research Base of Shennongjia National Park in Hubei Province.

The research base has a group of about 90 golden snub-nosed monkey. Sichuan golden monkey is endemic to China, with a golden fur. They are distributed in the forests at the junction of Hubei, Sichuan, Shaanxi and Gansu, and distributed in Minshan, Qionglai, Daxueshan, Xiaoliangshan, Qinling, Shennongjia and the northern slope of Motianling.

"We began to study the monkey group in 2006, and the researchers were able to identify all individuals over 3 years old in the group." Zuo Fu said that the birth of Sichuan golden monkey is basically concentrated in the period from March to May every year. Because the coat color and body shape of baby monkeys are similar, it is not easy to identify them, so there is no concern about whether there is maternal breastfeeding at first. "Until the spring of 2011, after accidentally finding a female monkey feeding two baby monkeys at the same time, the research team carefully observed the breastfeeding behavior of Sichuan golden monkeys in the group and found that the breastfeeding behavior of different mothers was more common."

This latest paper shows that in the field observation conducted by Zuo Fu et al. for five years in a row and after five farrowing seasons, 40 (87%) of 46 baby monkeys of Sichuan golden monkey were breast-fed by one or more non-mother monkeys, and 22 (48%) of 46 baby monkeys were breast-fed by at least two other mothers. This behavior of maternal breastfeeding mainly occurs in the first three months after the baby monkey is born.

The research team also found that 6 of the 46 baby monkeys did not receive maternal breastfeeding at all, and 4 of them died in the cold winter. In comparison, among the 40 baby monkeys that were breast-fed by at least one non-mother monkey, a total of 6 eventually died, and the mortality rate was greatly reduced.

It is worth noting that Sichuan golden monkey generally lives in temperate forests with high altitude, and it is extremely cold in winter for five months, and the food supply also has strong seasonal changes. Partheno-breastfeeding behavior may help baby monkeys fight against unfavorable living environment.

Zuo Fu said, "The behavior of maternal breastfeeding may provide energy support for the rapid development of baby monkeys after birth, so that the baby monkeys can feed in advance to achieve a good development state before the severe winter, and can successfully survive the winter of extreme low temperature and food shortage. This behavior may also provide energy support for the rapid development of the brain, which makes the brain capacity of golden monkeys relatively large."

Generally speaking, the behavior of maternal breastfeeding only occurs within three months or less after the baby monkey is born, and it almost stops when the baby monkey begins to eat natural food.

In addition, the research team also found that the maternal breastfeeding behavior in Sichuan golden monkey still follows certain principles. Baby monkeys can not suck milk in all non-maternal monkeys: the maternal breastfeeding behavior of Sichuan golden monkey only occurs between females who are related or breastfeeding each other.

It is mentioned in the paper that kinship-usually the "grandmother" or "aunt" of baby monkeys, or reciprocity plays an important role in maternal breastfeeding. About 90% female monkeys (25 out of 28) will breast-feed the cubs of other female monkeys who have breast-fed their own baby monkeys in the current or next year, which is similar to "reward".

Zuo Fu believes that the maternal breastfeeding behavior occurs between females who are related or cooperate with each other, and the mother will allow other females to contact the baby monkeys in the early stage of development, which is necessary for the infant-mother-maternal care relationship in the early stage of human evolution, so this study also provides a new perspective for understanding human evolution.

It’s hot spring season again, and many Tang Chi people are everyone at first sight.

Source | Nanchuan Release

On the weekend, I recommend several places with good reputation and not so crowded. It will be refreshing to soak in hot springs this winter!

Ba’ nan dong hot spring

East Hot Spring is a hot spring with excellent reputation in Chongqing, with relatively few people and high cost performance.

Source | Banan Wenlv

There is the only natural hot-spring sauna in Asia, where you can take a steam bath or a water bath, and the privacy is excellent.

Any local goods can be bought in the town, and it is no longer convenient to eat and barbecue.

Source | Banan Wenlv

There are many farmhouses around, surrounded by green hills and flowers. And it contains private soup. I recommend staying here for one night.

As for which family is less, which one is better, just wait for you to find out for yourself.

Figure source | worm network

Location:Wubu Riverside, Dongwen Town, Banan District

Self-driving route:Urban Area-Kaiying Road-Huyu South Line Expressway-Maliu Avenue-—S415—-DongWenquan

Bus route:Take a long-distance bus to Sanfengquan at the four-kilometer hub station

Play around:Ancient Buddha Cave, Baisha Temple and Fengsheng Ancient Town

Beibei Bailian Hot Spring

Bailian hot spring is known as the best SPA garden hot spring in Asia. Whether it is positioning or slogan, it sounds domineering.

Figure source | Beibei Tourism

It is backed by the ancient temple, and the Jialing River is quiet in front. Most of the ponds are surrounded by plants. You can soak in the hot springs while enjoying the fresh air in the mountains, which is wonderful.

Figure source | Beibei family

Bailian Hot Spring is expensive, but it is a good place for self-cultivation.

If the pursuit of cost-effective, you can also go to Beibei Shili Hot Spring City bubble, the same number of people.

Figure source | worm network

Location:Beibei District North Hot Spring Park

Self-driving route:Urban Area-Inner Ring Expressway-Lanhai Expressway-Beiquan Road-Lanyu Line-Bailian Hot Spring

Bus route:Take Line 6 to Beibei, and then transfer to No.503 to BeiWenQuan.

Play around:Wenquan Temple and Jinyun Mountain

Jiulongpo shangbang pushi hot spring

Shangbang is adjacent to the original ecological forest and natural Hailan Lake in Jinyun Mountain, and there are golf courses and villas nearby, so the environment is very elegant.

Figure Source | Jiulongpo District Culture and Tourism Development Committee　

There are more than 30 hot spring Tang Chi with different functions, which are divided into spa area, essential oil area and medicated bath area. There is also fish therapy, and you can soak for as long as you want.

Figure Source | Jiulongpo District Culture and Tourism Development Committee

There are also golf courses and villas nearby, and the environment is very elegant. The lawn area is very large, and you can have a lawn PARTY in your spare time.

There are many roast whole sheep nearby, and you can get one to mend your body.

Figure Source | Jiulongpo District Culture and Tourism Development Committee

Location:No.3 Shangbang Road, Jinfeng Town, Jiulongpo District

Self-driving route:Urban area-Shuangbei Avenue-Xicheng Avenue-Xinwu Avenue-Gaoxin Avenue-Shangbang Pushi Hot Spring

Bus route:Take bus No.293 and get off at Lianhua New Station.

Play around:Huayan Temple and Baguocheng

Bishan Tiancihua Takinoyu

Tiancihua Takinoyu integrates hot springs, restaurants and hotel accommodation, providing customers with one-stop service, which is very suitable for friends gathering or family travel.

Source | Tiancihua Takinoyu

Its hot spring design is also very interesting. The hot spring pool is designed in the middle of the building and surrounded.

The quality of spring water is also good, and a small arch bridge has been built in the hot spring, which looks like a flowing family in the south of the Yangtze River.

Source | Tiancihua Takinoyu

Peacocks and parrots are also kept in the lobby, and children like to chase and play, which is extremely suitable for parent-child tours.

It’s close to Bishan Outlets, and you can also sweep the goods.

Source | Tiancihua Takinoyu

Location:Bishan Bicheng Town Wenquan Road

Self-driving route:Main City-Tiancihua Takinoyu-Bishan Outlets-Main City

Bus route:Take Jianbi Line to Bishan, and then transfer to Tiancihua Takinoyu bus.

Play around:Bishan Outlets and Xiuhu Park

Tongliangdragonhot spring

Tonglianglong Hot Spring is located at the foot of Bayue Mountain near Xuantian Lake, with beautiful surroundings and affordable prices.

Source | Tonglianglong Hot Spring

Ten steps, one pavilion, one pavilion, one pool and one secret realm. Every Tang Chi is surrounded by trees, just like being in the jungle.

Figure Source | Beautiful Copper Beam

The spring water here is rich in sulfur and other substances, and the mineral smell can be smelled with your nose.

After soaking in hot springs, you can also taste all kinds of delicious food, starting from your body and warming up to your taste buds.

Source | Chongqing Tongliang Radio and TV Station

Location:Tongzi Yuanlong Hot Spring Resort, Bachuan Town, Tongliang District

Self-driving route:Main City-Shuangbei Tunnel-Chengdu-Chongqing Ring Expressway-Longteng Avenue-Dragon Hot Spring

Bus route:Chen Jiaping Bus Station/Longtousi Bus Station/Caiyuanba Bus Station-Tongliang, and then transfer to the bus at Long Hot Spring.

Play around:Anju Ancient City, Bayue Mountain and Xuantian Lake

Dazu longshuihu hot spring

There are green mountains, green water and a five-star lakeside hot spring, and the surrounding scenery is breathtaking.

Tuyuan | Longshuihu Resort

It is said that the hot spring water of Longshui Lake comes from the rare water source of Triassic underground rock strata. You can enjoy the beautiful scenery around Longshui Lake while soaking in hot springs.

Tuyuan | Longshuihu Resort

Open-air pools are mostly on the hillside, separated by scattered levels and greening, and the embellishment of red berries is quite artistic.

There are many pools in it, including a big surf pool and a small theme pool, and all kinds of pools are available here.

Tuyuan | Longshuihu Resort

Location:Dazu Yulong Town Longshuihu International Leisure Resort

Self-driving route:Main City-Yurong Expressway-Sanhuan Expressway-Longshuihu Hot Spring

Bus route:Chen Jiaping Bus Station/Longtousi Bus Station/Caiyuanba Bus Station-Longshui Lake

Play around:Dazu Stone Carvings, Changzhou Ancient City

Nanchuan jinsanquan hot spring

Dear friends who want to go to Jinfo Mountain in winter to feel the ice and fire, they will first think of Tianxing Hot Spring, but at the weekend, you will give everyone Amway to Jinsanquan Hot Spring.

Source | Nanchuan Tourism

Jinsanquan Hot Spring is located on the north slope of Jinfo Mountain, surrounded by green plants, and the air is fresh and natural.

Source | Nanchuan Tourism

Jinsanquan hot spring has cold, warm and hot springs, and many small pools are built halfway up the mountain, with different curative effects. In the evening, you can smell the flowers, watch the moon and count the stars here.

There is also a water park in the indoor hot springs, with large slides, water rushing gates, water rollers and so on.

Source | Nanchuan Tourism

Location:No.98, Foshan East Road, sanquan town, Nanchuan District

Self-driving route:Main City-Inner Ring Expressway-Baomao Expressway-Yinbai Expressway-Jinsanquan Hot Spring

Bus route:Longtou Temple Distribution Center-Jinfo Mountain

Play around:Jinfo Mountain and Lixiang Lake

After reading the recommendation of weekend jun

Do you already know?

Hurry and choose one.

Let’s take a trip to the hot springs.

Original title: soaking in water refuses to crowd people! These original ecological hot springs are picturesque.

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