片语
celestial gravitation navigation天体引力导航方法
celestial navigation instrument天文航海仪表
radio celestial navigation system射电天文导航系统
automatic celestial navigation[航]
autonomous celestial navigation自主天文导航
astronavigation太空航行;[航] 天文导航
radio celestial navigation射电天文导航
optical celestial navigation光学天文导航
celestial navigation periscope天文导航潜望镜
stellar guidance[航][水运] 恒星导航;天文导航
celestial navigation trainer天文导航教练器