In the spring, China’s "spelling" is the first to "accelerate running", and the development of various fields is full of vitality.
CCTV News:In China in spring, all fields are developing with high spirits. Endeavoring spring confidence blooms, and the surging spring tide in China plays the "Song of Spring" for economic development.
China is developing a 4-meter and 5-meter reusable rocket.
The reporter learned from the Aerospace Science and Technology Group that in order to meet the needs of the commercial aerospace market, China is working hard to develop 4-meter and 5-meter reusable rockets, and plans to make their first flights in 2025 and 2026 respectively.
At present, China has completed the vertical take-off and landing hovering test of reusable rockets, breaking through the key technology of reusable rockets, and the development of 4-meter and 5-meter reusable rockets is accelerating.
Compared with traditional disposable rockets, reusable rockets add four key technologies. First, let the rocket be accurate when it returns; Second, the rocket should be connected stably when landing and recycling; Third, in order to meet the requirements of reuse, how to make the rocket work well; Fourth, when the rocket needs local maintenance, how can it be repaired quickly?
According to experts, reusable rockets are one of the important development directions of space exploration in the future, with the characteristics of low cost, high efficiency, technical difficulty and more environmental protection. To achieve this goal, we need to overcome many technical problems. At present, the related key technologies are being overcome one by one, and the overall development is progressing smoothly.
"Haiji-2" was completed and set a number of Asian records.
China’s independent design and construction of Asia’s first deepwater jacket — — "Haiji-2" was loaded in Zhuhai, Guangdong Province on March 12 and transported to the Pearl River Mouth Basin. It is planned to be installed at sea at the end of March. The "Haiji II" project has set a number of Asian records, such as structural height, weight, working depth and construction speed, which indicates that the independent design and construction capability of China’s deepwater super-large jacket platform has reached the world advanced level.
Fixed jacket platform is the key equipment for offshore oil and gas development, which consists of three parts: underwater jacket, pile leg and production module on water. Jacket, as a "foundation", supports the stability and safety of the whole offshore oil and gas platform. The jacket of Haiji-2 is 338.5 meters high and weighs 37,000 tons, and the steel consumption is close to that of the Bird’s Nest National Stadium. Due to frequent typhoons in the sea area where it is located, the wind waves and internal waves are extremely strong. Therefore, the jacket is designed according to the once-in-a-century harsh sea conditions.
With the continuous development of offshore oil and gas resources, the deep water area over 200 meters has become an important battlefield for offshore oil and gas development in China. With the completion of deep-water jacket platforms such as "Haiji II", the development mode of jacket platforms is playing an increasingly important role in the development of deep-sea oil and gas resources in China.
Pterosaur -2H UAV completed the first flight of artificial precipitation enhancement.
The reporter learned from the Aviation Industry Group that the pterosaur -2H meteorological UAV independently developed by China successfully carried out artificial precipitation enhancement flight for the first time in the western region of Guizhou Province.
This time, the pterosaur -2H meteorological UAV flew for nearly 5 hours, and the affected areas covered Bijie, Liupanshui and Anshun in Guizhou Province. This is also the first time that this type of drone has implemented artificial precipitation enhancement in Guizhou Province.
At present, during the critical period of spring ploughing and preparation for ploughing, the demand for agricultural drought resistance and reservoir water storage in various places has increased. In the future, the pterosaur -2H meteorological UAV will carry out normal operation in Guizhou, and its operation will focus on key areas such as grain production, ecological restoration guarantee areas and key river basins, which can effectively reduce the adverse effects of drought and disastrous weather and create favorable conditions for agricultural production in spring. At the same time, the ability of forest fire prevention and disaster reduction will be improved by carrying out precipitation enhancement operations in key areas such as ecological protection zones.
The space seed "Plantago fengdu" was planted in the wild for the first time.
On March 12th, more than 3,000 rare plants which were successfully artificially bred were transplanted into the wild in Yichang, Hubei Province, among which the seeds of Plantago asiatica, a national second-class protected wild plant, went into space, which was its first return to the wild.
On an island in the heart of the Yangtze River in Xilingxia, the Three Gorges reservoir area, nearly 100 volunteers worked together to dig holes, support seedlings, cultivate soil and water under the guidance of scientific researchers, and planted more than 3,000 rare plants artificially bred by the Yangtze River Biodiversity Research Center on the slope protection on the shore, successfully completing field transplantation.
According to reports, Fengdu Plantago is an endangered plant endemic to the Three Gorges reservoir area, and its distribution is extremely limited. This time, in addition to ordinary plants, some seeds followed the Shenzhou-13 manned spacecraft into space. After space breeding and artificial breeding, researchers also returned these "selected species" to the wild and conducted comparative experiments.
Tens of thousands of acres of bauhinia bloom with ecological beauty to promote income increase
Spring returns, flowers are in full bloom. These days, nearly 20,000 mu of white-flowered bauhinia naturally grown in Simao District, Pu ‘er City, Yunnan Province, are in full bloom, and the flowers are overflowing, attracting tourists from all directions.
From March to April every year, the white-flowered bauhinia in the mountains and plains of Paozhang Mountain in Simao District blooms as scheduled, one after another, in clusters, one after another, and it looks white from afar. Spring breeze blows, trembling flowers, swaying buds, the oncoming is a strong breath of spring.
White-flowered bauhinia, also known as old white flower, likes warm and humid climate. In addition to being used for viewing, it can also be made into delicious food on the table in spring. Its petals and buds can be used to cook soup or stir-fry, and different ingredients can be used according to different tastes to maximize its delicacy.
In recent years, with the ecological environment getting better and better, 10,000 mu of flower forest not only beautifies the hillside, but also opens up a new way for villagers to increase their income. By holding a series of activities such as eco-tourism festivals, more people are attracted to punch in and "taste" the fresh flowers, and eco-flowers have become "happiness flowers" for villagers to increase their income and get rich.
Agricultural planting science and technology management vegetable seedling is busy
At present, it is a good time to raise seedlings, and all parts of Jincheng, Shanxi Province are rushing to grasp the festival and carry out seedling raising work in full swing, and spring ploughing is ready for ploughing.
In Gaoping Agricultural Science and Technology Park, Jincheng City, Shanxi Province, the staff are busy cultivating new vegetable seedlings.
In order to cultivate good seedlings, the irrigation system in the garden adopts a closed-loop system of water and fertilizer, equipped with advanced equipment such as automatic temperature control system, tidal automatic seedbed and water sprayer, and realized digital intelligence by using technologies such as Internet of Things big data. Workers can accurately fertilize, adjust temperature and monitor according to the growth needs of fruits and vegetables, and improve the quality and efficiency of seedlings.
Through the "order+domestic demand" business model, relying on the advanced seedbed management system, the park promotes the integrated development of technical services and intensive seedling raising, laying a solid foundation for spring vegetable planting and high yield and income increase.
Going for a walk to enjoy the flowers was at a time when the search volume of related tourism products increased significantly.
Recently, the popularity of flower viewing tours across the country has soared. On a tourism platform, the search volume of "flower viewing" increased by 330% month-on-month in the past week, more than tripled year-on-year, and the average daily booking volume of tickets for flower viewing scenic spots increased by nearly 50% year-on-year. Among them, Nanjing, Wuxi, Wuhan, Hubei and Anshun, Guizhou became the most popular flower viewing destinations.
The reporter found on the homepage of official website, a tourism platform, that many tourism products were labeled as "enjoying the flowers" and "enjoying the flowers specially". Whether it is a short day trip or a long-term flower viewing tour, the sales volume is very impressive.
The popularity of flower viewing has also brought fire to go on road trip. According to data from car rental agencies, the number of car rental orders in March and April 2024 increased by nearly 50% year-on-year, with an average lease period of four days, and the average order price reached 750 yuan. The proportion of self-driving tourists who are concentrated in the post-90 s, post-80 s and post-00 s has also reached 10%.
In 2024, the first RMB national debt was issued in Hong Kong.
On March 13th, the Ministry of Finance issued the first RMB treasury bonds in 2024 in the Hong Kong Special Administrative Region. The reporter learned from the Ministry of Finance that the scale of this issue is 12 billion yuan, including 3 billion yuan for two years, 3 billion yuan for three years, 3 billion yuan for five years and 3 billion yuan for ten years.
In 2024, the Ministry of Finance issued RMB government bonds in Hong Kong for the 16th consecutive year, and the total scale of issuance in Hong Kong has exceeded 300 billion yuan. The relevant person in charge of the Ministry of Finance said that the issuance time was earlier than in previous years, and the Ministry of Finance will continue to maintain the normal issuance of RMB government bonds in Hong Kong to continuously consolidate and enhance international finance centre’s status.