Simple application is given in theory of relativity and static quality of photon is obtained.

并给出了在相对论方面的简单应用，求出了光子的静止质量。

youdao

Simple application is given in theory of relativity and static quality of photon is obtained.

并给出了在相对论方面的简单应用，求出了光子的静止质量。

youdao