1·For on-line emissivity measurement's urgent request in the field of military, aviation and space flight, industry and agriculture, we designed new front reflection emissivity measurement apparatus.
针对目前军事、航空航天、工农业等领域对在线发射率测量的迫切要求，设计了新型的前置反射式发射率在线测量装置。
2·Weightlessness is one of the problems which human must face with and solve during space flight.
失重是航空航天过程中人类必须面临和克服的问题。
3·In 1959, the United States established the Goddard space flight center in greenbelt, Maryland, near Washington, d. c.
1959年，美国在马里兰州华盛顿特区附近的格林·贝尔特成立了戈达德航天中心。
4·The mathematical model may be applied to prevent against decompression sickness in aviation, navigation and space flight.
这一模型对航空、航天和航海中减压病的防护均有实际意义。
5·In addition, a new concept for Synchro-Adjoint Orbit is proposed. It will be very useful in space flight.
此外，文中还提出了“同步伴随轨道”的概念，这在未来航天中可能是有用的。