宇宙: universe; cosmos航天: space flight; spaceflight; a ...学: study; learn宇宙航天员: archer maclean's dropzone航天学: astronautics; cosmonautics; space aeronautics; spationautics航天学员: cadet cosmonaut航天学院: moscow state aviation institute宇宙航空学: astronautics宇宙航速: cosmic speeds宇宙航行: interplanetary flight; astronavigation; space navigation◇宇宙航行术 cosmonautics; 宇宙航行学 cosmonautics; astronautics; spationautics宇宙航行的: astronautical宇宙航行术: cosmonautics宇宙航行学: astrogation; astronautics; cosmonautics; spationautics宇宙航行员: astronaut; spaceman航空航天学院: aiaa美国航天学会: aas american astronautical society; american astronautical society生物航天学的: bioastronautical宇宙航行导引: space guidance宇宙航行系统: astronautic system宇宙航行研究: astronautical research德国航空航天学会: dglr航空学及航天学: aeronautics and astronautics航天学，宇〔宙〕航〔空〕学: astronautics美国航空航天学会: american institute of aeronautics and astronautic国际宇宙航行学会: iaa; international academy of astronautics
