单词elastic collision
un.: 弹性碰撞；弹性撞碰
网络: 弹性撞击；弹性碰撞一；弹性碰撞二
弹性撞碰
弹性碰撞
I told you I chose the case of - a completely elastic collision-- Q and so kinetic energy must be conserved.
我说我选择这个例子，它是完全弹性碰撞-，为0，Q，is，zero--，那么动能必然守恒。
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。
A measurement method of impact energy is proposed for the situations of perfect elastic collision and completely inelastic collision.
提出完全弹性碰撞和完全非弹性碰撞情况下冲击能测量原理。
The sputtering yield dominated by elastic collision between HCIs and the material atoms with larger incident angle.
在大角度入射时，溅射产额主要是由碰撞引起的；
Elastic collision : collision without lost of kinetic energy .
弹性碰撞：没有机械能损失的碰撞。
Physicists call this an elastic collision even though no contact actually occurs.
科学家们称这种情况为弹性碰撞，不过两者之间并没有发生实体接触。
And we all know that if it is a nearly elastic collision that it comes back with the same velocity.
我们知道，这几乎是弹性碰撞，它以同样速度回来。
It"s a nearly elastic collision and it bounces back from the wall.
它近似于弹性碰撞，它从墙壁反弹。
And so to a reasonable approximation, you will get an elastic collision, but, of course, there"s always air drag.
据合理估计，你得到一个弹性碰撞，但空气阻力总存在。
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。