celestial navigation
短语词组
- celestial gravitation navigation 天躰引力導航方法
- radio celestial navigation 射電天文導航
- autonomous celestial navigation 自主天文導航
- celestial navigation trainer 天文導航教練器
- celestial navigation instrument 天文航海儀表
- automatic celestial navigation [航]自動天文導航
- radio celestial navigation system 射電天文導航系統;無線電天文導航系統
- celestial navigation periscope 天文導航潛望鏡
- optical celestial navigation 光學天文導航 返回 celestial navigation