Shenzhou spaceship is a spacecraft developed by China, with completely independent intellectual property rights, reaching or superior to the international third-generation manned spacecraft technology. Shenzhou spaceship consists of three modules and one part, namely, the return module, the orbital module, the propulsion module and the additional part, and is composed of 13 subsystem.
Compared with foreign third-generation spacecraft, shenzhou spaceship has the characteristics of high starting point and strong in-orbit staying ability. Shenzhou series manned spacecraft was launched by the Long March II F rocket specially developed for it. The launch base is Jiuquan Satellite Launch Center, and the recovery site is Siziwangqi space landing site in central Inner Mongolia.
2. China's lunar exploration project
In 2004, China officially launched the lunar exploration project and named it "Chang 'e Project". The Chang 'e project is divided into three stages: unmanned lunar exploration, manned lunar landing and the establishment of a lunar base. On 20071October 24th 18: 05, Chang 'e-1 was successfully launched. After successfully completing various tasks, it was controlled to hit the moon as scheduled in 2009.
20101kloc-0/18: 57: 59 "Chang 'e II" was successfully launched, and all scheduled tasks have been successfully completed and exceeded. 2065438+On September 19, 2002, Ouyang Ziyuan, the chief scientist of the lunar exploration project, said that the lunar exploration project had completed the lunar surface survey tasks of Chang 'e-3 satellite and Yutu lunar rover. Chang 'e IV is the backup star of Chang 'e III. The main scientific objectives of Chang 'e V include on-site investigation and analysis of the landing zone, and analysis and research of the moon samples after returning to Earth.
3. Hong Kong-Zhuhai-Macao Bridge
The Hong Kong-Zhuhai-Macao Bridge is a bridge and tunnel project connecting China, Hong Kong, Zhuhai and Macau. It is located in Lingdingyang District, Guangdong Province, China, and is the southern ring section of the ring expressway in the Pearl River Delta region.
In February 2009, 65438+ Hong Kong-Zhuhai-Macao Bridge started construction; On July 7, 20 17, the main project of Hong Kong-Zhuhai-Macao Bridge was completed; On February 6, 20 18, the main body of the Hong Kong-Zhuhai-Macao Bridge was accepted, and the joint trial operation of Guangdong, Hong Kong and Macao was carried out on September 28 of the same year.
4. Tiangong Plan
Tiangong-1 is the first target aircraft in China. It was launched at Jiuquan Satellite Launch Center at 2011+16: 03. The total length of the aircraft is 10.4m, and the maximum diameter is 3.35m It consists of an experimental module and a resource module. Its launch marks the second step of China's space "three-step" strategy.
2011165438+docked with Shenzhou-8 spacecraft in the early morning of1October 3. 20 12,18 (14:14: 04) successfully docked with Shenzhou 9 in the afternoon. Shenzhou-10 spacecraft also completed the automatic rendezvous and docking with Tiangong-1 on June 13 18.
5. High-speed railway in China
Through introduction and innovation, China has developed "Harmony" EMU train and "Fuxing" Chinese standard EMU train.
At the end of 20 18, the operating mileage of high-speed rail in China exceeded 29,000 kilometers, accounting for more than two-thirds of the global operating mileage, exceeding the sum of other countries. In 20 19, it is planned to ensure that 3,200 kilometers of new high-speed rail lines will be put into operation.
Baidu Encyclopedia-shenzhou spaceship
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