diopter movement

例句：

1. 1.The diopter movement of the crystal affects its refraction properties.
   晶体的双折射运动影响其折射特性。
2. 2. In this experiment, we observed the diopter movement of light through a prism.
   在这个实验中，我们观察到光通过棱镜时的双折射现象。
3. 3. The diopter movement can be used to measure the refractive index of materials.
   双折射运动可以用来测量材料的折射率。