stress birefringence

例句：

1. 1. Stress birefringence is a phenomenon where light waves aresplit into two different colors when passing througha material.
   应力双折射是一种现象，当光线通过材料时会被分成两种不同的颜色。
2. 2. In stress birefringence,the angle of incidence and the angle ofrefraction are equal.
   在应力双折射中，入射角和折射角是相等的。
3. 3. The stress birefringence of a material can be used todetermine its mechanical properties.
   材料的应力双折射可以用来确定其机械性质。