气囊用来减轻汽车碰撞的冲击力。
有个小行星正处于可能与地球发生碰撞的航向上。
基本上,俯冲带就是两个地壳构造板块碰撞的地方。
Basically, a subduction zone is where two tectonic plates collide.
They take an atom of lead, accelerate it and have it collide with an atom of nickel.
他们选取一个铅原子,将其加速,让它与镍的原子碰撞。
The molar volume is being changed a little bit trying to make things collide with each other, they can't occupy the same volume.
摩尔体积发生了很小的改变,如果你试图使气体分子间相互碰撞,他们不能占据同一个位置。
If we get the pressure in there just right, we will allow for gas electron collisions and then we get the glow that ultimately was sent through the slits.
如果我们把气压设置在一个适当程度,把气体电子碰撞也算在里面,我们得到的炽热,最终将通过裂缝传送。
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