When we were discussing the index of refraction we saw that an incoming beam of light will make the atoms rediate again.

在讨论折射率时，我们曾看到入射光束使原子再辐射。

youdao

When we were discussing the index of refraction we saw that an incoming beam of light will make the atoms rediate again.

在讨论折射率时，我们曾看到入射光束使原子再辐射。

youdao