Cassegrain reflector

例句：

1. 1. The Cassegrain reflector is the main component of the telescope's objective lens system.
   卡塞格伦反射镜是望远镜目镜系统的主要组成部分。
2. 2. The Cassegrain reflector was designed to improve the light-gathering efficiency of the telescope.
   卡塞格伦反射镜的设计目的是为了提高望远镜的聚光效率。
3. 3. The Cassegrain reflector plays a crucial role in the optical performance of the telescope.
   卡塞格伦反射镜在望远镜的光学性能中起着至关重要的作用。