All right, last time we talked exclusively about completely inelastic collisions.

好，上节课，我们只讲了，完全非弹性碰撞。

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Inelastic collisions among photoelectrons rapidly distribute their initially gained energy throughout the region of ionized gas.

光电子之间的非弹性碰撞使它们原来获得的能量在整个电离气体中迅速分配。

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And in the case of the completely inelastic collisions that we have seen last time, we lost kinetic energy, which was converted to heat.

在这个例子中，它是完全非弹性碰撞，我们上节课也看到了，我们失去了动能，它可能转化为热量。

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