例句與造句

1. It is optically isotropic with an index of refraction of n = 2.24.
2. In an optically isotropic medium, the rays are normals to the wavefronts, but in an optically anisotropic crystalline medium, they are in general at angles to those normals.
3. When the crystals are raised to a temperature of about 500 癈 they become optically isotropic and the twin-lamellae and striations disappear, although they reappear when the crystals are cooled again.
4. It's difficult to find optically isotropic in a sentence. 用optically isotropic造句挺難的