| 释义 |
Cassegrain telescope/ˈkæsiɡrein/n. a reflecting telescope in which light reflected from a convex secondary mirror passes through a hole in the primary mirror 卡塞格伦望远镜(一种折射式望远镜，从凸面次镜中折射出来的光穿过主镜中的一个孔而形成折射) [named after N. Cassegrain, 17th-cent. French scientist, who devised it] |