coelostats

coelostats

美 　英

• n.【天】定天镜
• 网络定天仪；定向仪；活镜式天体望远镜

词形变化

复数：coelostats  

英汉解释

n.

1. 【天】定天镜

英英解释

n.	1. an instrument with a mirror that rotates parallel to the Earth's axis in order to reflect light from an astronomical object onto a second mirror aimed at a fixed telescope