但由电磁场理论，入射波并不是简单地全部返回原媒质，而是要在第二种媒质中存在一折射波。

Then based on electromagnetic theories, incident wave is not totally reflected back, there is also a refractive wave in the second medium.

youdao

但由电磁场理论，入射波并不是简单地全部返回原媒质，而是要在第二种媒质中存在一折射波。

Then based on electromagnetic theories, incident wave is not totally reflected back, there is also a refractive wave in the second medium.

youdao