折反射式望远镜 meaning in Chinese
catadioptric system
catadioptric telescope
Examples
- This is similar , but not equal to , seeing an object in or out of focus . there are three kinds of telescopes : the refracting telescopes
基本来说，望远镜主要有三大类：折射望远镜反射望远镜和折反射式望远镜。