Elastic collisions deplete very little of the electron's energy . 弹性碰撞中电子减少的能量非常少。
As neutrons pass through matter, they make occasional elastic collisions with nuclei . 当中子穿过物质时,偶尔与核发生弹性碰撞。
Additional insight is gained by examining the elastic collision of equally massive particles in the center-of-mass frame of reference . 对质量相等的两质点的弹性碰撞更彻底的理解,可通过质心参照系而获得。
As neutrons pass through matter , they make occasional elastic collisions with nuclei 当中子穿过物质时,偶而与核发生弹性碰撞。
It is well known that the problems about the elastic collision of two bodies in 2 - d space can not be exactly solved generally 摘要众所周知一般说来,关于两个物体的弹性碰撞的一些问题无法被确切解决。