A transparent dome on the top of an aircraft, through which celestial observations are made for navigation.
天文观测舱，领航舱飞机顶部的一个透明圆顶形结构，航行时可通过它作。
2
A transparent dome on the top of an aircraft, through which celestial observations are made for navigation.
天文观测舱，领航舱飞机顶部的一个透明圆顶形结构，航行时可通过它作天文观测。
3
This paper designed the navigation service system which is able to be applied to the exploration activity on the Antarctica from Zhongshan station to DOME-A inland icecap.