地穴恶魔的碰撞体积稍微增大。
且他们体积小得多（典型的LED大概就是铅笔顶上橡皮大小），不怕碰撞，并且也许更重要的是它的超级功效。
They also take up much less space (a typical LED is about the size of the rubber on the end of a pencil), are shock resistant and, perhaps most important of all, are extremely energy-efficient.
相反，太阳系形成之后，地球经历了五千万到一亿年，通过无数太阳系里小的星体相互碰撞才有了今天的体积。
In contrast, Earth grew to its full size 50 to 100 million years after the solar system's birth, via collisions with other small bodies in the solar system.
在一定范围内，随着缓冲材料厚度的增加，碰撞时间与接触面积线性增加，最大加速度与损伤体积相应减小。
In a definite scope, the impact time and contact area are linearly increased while the maximum acceleration and bruise volume reduced with the increment of thickness of cushion materials.
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。
The molar volume is being changed a little bit trying to make things collide with each other, they can't occupy the same volume.
银河系更大的体积意味着和仙女座星系更大的碰撞机会，但是如果那个碰撞发生，至少现在我们和它是同一个重量级的。
The Milky Way's bigger mass does mean a greater chance of a gravity-driven collision with Andromeda. But if that clash occurs, at least now we're in the same weight-class.
银河系更大的体积意味着和仙女座星系更大的碰撞机会，但是如果那个碰撞发生，至少现在我们和它是同一个重量级的。
The Milky Way's bigger mass does mean a greater chance of a gravity-driven collision with Andromeda. But if that clash occurs, at least now we're in the same weight-class.
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