Universal constants not so constant?

宇宙普适常数并非“恒”量？

youdao

The speed of light is considered as one of the universal constants.

光的速度被认为是一个宇宙的常数。

youdao

The speed of light is considered as one of the universal constants.

光的速度被认为是一个宇宙的常数。

youdao