总功指的是势能,和动能的总和。

That means the sum of potential energy and kinetic energy.

youdao

但是却没有变化，总的振动能。

And you see that there's no change in the total vibrational energy.

youdao

但是却没有变化，总的振动能。

And you see that there's no change in the total vibrational energy.

youdao