碰撞

• Two-dimensional collisions, both elastic and inelastic, may be demonstrated on this table .
  在这个桌上，可以演示二维的弹性和非弹性碰撞。
• When the stream is collisional, the negative energy nature changes to negative dissipative nature .
  流束存在碰撞时，负能性质改变为负耗散性质。
• Unless the target starts manoeuvring, the missile tends to fly straight near interception .
  除非目标开始移动，否则导弹会直线地飞行接近碰撞点。
• The bullet is allowed to make a completely inelastic collision with a body of much greater mass .
  使子弹与质量大得多的物体发生完全非弹性碰撞。
• However, momentum is always conserved in a collision, whether or not the collision is elastic .
  然而，不管碰撞是不是弹性的，在碰撞过程中动量总是守恒的。
• In the gloom it was as if he ran against them without feeling their bodily frames .
  在那一片沉沉的夜色中，他好象和他们碰撞，而却触不到他们有血有肉的形体。
• Ordinarily, neutrinos and antineutrinos readily escape from stellar interiors without making collisions .
  通常，中微子和反中微子容易无碰撞地从星体内部逃逸出去。
• Physicists study these collisions and particles to increase their understanding of matter and energy .
  物理学家们研究这种碰撞和粒子以便增进他们对物质和能量的了解。
• When the protons strike the air, nuclear collisions occur, giving rise to a shower of various particles .
  当质子撞击空气时，发生原子核碰撞，产生各种各样的粒子的簇射。