【摘要】 2017年,全球航天发射活动稳步增长,商业航天公司发射次数大幅提高。各国积极发展下一代大中型运载火箭、快速响应小型运载火箭和载人深空探索的重型运载火箭,继续研究和验证火箭动力、吸气动力的可重复使用运载器,并对2017年度国外航天运载器进行了回顾和分析,最后对2018年国外运载器的发展进行了展望。更多还原

【Abstract】 The global space launch activities grow up steadily in the year of 2017, and the orbital launches by commercial companies increase substantially. Next generation medium-large launch vehicles, small responsive launch vehicles and heavy launch vehicles are being developed around the world. The reusable launch vehicles using rocket engines and combined-cycle engines are being under research. This paper mainly reviews and analyses the development of forgein launch vehicles in 2017, and makes a forecast of 2018 in the end.更多还原