首先分析了轻型反射镜对材料的要求，选择了熔石英作主反射镜材料。

First we analyzed the requirements of the lightweight mirror and chose fused silica as the main material of the mirror.

youdao

首先分析了轻型反射镜对材料的要求，选择了熔石英作主反射镜材料。

First we analyzed the requirements of the lightweight mirror and chose fused silica as the main material of the mirror.

youdao