| 释义 |
航天工程space engineering
中国的载人～由7大系统组成： 载人飞船系统、运载火箭系统、航天员系统、飞船应用系统、发射场系统、测控通信系统和着陆场系统。China’s manned space engineering composes of seven systems:the manned spacecraft,launch vehicle,astronaut,spacecraft scientific application,launching site,tracking,telemetry,command and communication(TTCC)and landing. |