它们粘在一起，这是完全非弹性碰撞。
They get stuck together because it's a completely inelastic collision.
我要继续此例，我有一个完全弹性碰撞。
Now I want to continue a case whereby I have a completely elastic collision.
我们失去了动能，这是完全非弹性碰撞。
We lose kinetic energy when there is a completely inelastic collision.
我们今天要处理这情况，我们称它为弹性碰撞。
We will deal with that today, and we call that an elastic collision.
我常叫它完全弹性碰撞，但其实并不需要这样叫。
I will often call it a completely elastic collision, which is really not necessary.
引入弹性恢复系数法描述砂粒间碰撞问题。
The restitution coefficient was applied to describe the impact problem.
引入弹性恢复系数法描述砂粒间碰撞问题。
The restitution coefficient was applied to describe the impact problem.
应用推荐