由于载人航天任务所具有的确保航天员安全的特殊属性，载人登月任务模式往往因此必须考虑救生等多种环节和因素，变得十分复杂。针对目前载人登月人货分运及人货合运两种任务模式，通过比较分析表明，从安全性、任务风险、飞船设计约束、发射窗口、测控支持复杂度方面来看，人货合运模式要优于人货分运模式，但是人货合运模式中的重型火箭如果被要求按照载人火箭标准进行设计和考核，其研制周期、经费方面的投入将会增加。%Because of the complexity of manned lunar landing mission , more factors must be consid-ered to ensure the crew safety .In this paper , cargo and crew combined launch mode and cargo and crew separated launch mode was compared and discussed .From the perspectives of crew safety , mission risk , spacecraft design constraint , launch window , complexity of support for tracking , the cargo and crew combined launch mode is better than the cargo and crew separated launch mode .But in cargo and crew combined launch mode , if heavy launch vehicle is required to design as human ra-ted launch vehicle , the research investment and period will be increased .
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