在“神舟”飞船研制中,我国科技人员面对载人航天领域高技术难度、高可靠要求、高质量保证的挑战,经过艰苦的努力,先后攻克了13项系统级关键技术难题,突破了一大批具有自主知识产权的核心技术,如“载人飞船返回控制技术”,“飞船返回舱气动外形设计”,“返回舱舷窗防热与密封结 In the development of the “Shenzhou” spacecraft, China’s scientific and technological personnel, faced with the challenges of high-tech difficulty, high reliability and high-quality assurance in the field of manned space flight, have tackled 13 key system-level technical challenges through hard work, breaking through one A large number of core technologies with independent intellectual property rights, such as “manned spacecraft return control technology”, “aerodynamic shape design of the spacecraft return capsule”, "return port porthole heat and seal knot