We will deal with that today, and we call that an elastic collision.

我们今天要处理这情况，我们称它为弹性碰撞。

youdao

Now I want to continue a case whereby I have a completely elastic collision.

我要继续此例，我有一个完全弹性碰撞。

youdao

I will often call it a completely elastic collision, which is really not necessary.

我常叫它完全弹性碰撞，但其实并不需要这样叫。

youdao

I will often call it a completely elastic collision, which is really not necessary.

我常叫它完全弹性碰撞，但其实并不需要这样叫。

youdao