elastooptic material

例句：

1. 1. The new lensin the camera is made of elastic optical material.
   相机中的新镜头是由弹性光学材料制成的。
2. 2. The scientist used a photoelastic material to study the stress distribution in the material.
   科学家使用一种弹性光学材料来研究材料的应力分布。
3. 3. The elastooptic material was used to create a transparent window for the spacecraft.
   弹性光学材料被用来为宇宙飞船创造一个透明的窗口。