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2016年9月和10月,长征二号F火箭先后将天宫二号空间实验室和神舟十一号载人飞船送入太空,为后续的空间站建设打下了坚实的基础。921工程作为跨世纪的载人航天工程,其技术含量高,难度大,安全性和可靠性要求高,协调面广,是我国有史以来最为复杂的航天系统工程。运载火箭系统是整个工程的七大系统之一。中国载人航天运载火箭命名为长征二号F。2013年载人航天工程空间交会对接任务圆满完成后,长征二号F火箭系统启动了执行空间实验室任务的T2、Y11火箭研制工作,
In September and October 2016, the Long March II F rocket successively sent the Tiangong-2 Space Laboratory and the Shenzhou-11 manned spacecraft into space, laying a solid foundation for the subsequent construction of the space station. As a cross-century manned space project, 921 project has high technical content, high difficulty, high safety and reliability requirements, wide coordination and is the most complicated aerospace system project in our country. Launch vehicle system is one of the seven systems of the entire project. China’s manned space rocket named Long March II F. After successful completion of the space rendezvous and docking mission for the 2013 manned space project, the Long March II F rocket system started the development of the T2 and Y11 rockets to perform the space laboratory tasks,