There must exist an average speed of molecules, just as in a large human community there exists an average age, or an average wealth. There will therefore be an average kinetic energy per particle.

在这样的气体中的分子必定有一个平均速度，正如在人类社会中有平均年龄和平均收入一样，因此也必定有粒子的平均动能。

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There must exist an average speed of molecules, just as in a large human community there exists an average age, or an average wealth. There will therefore be an average kinetic energy per particle.

在这样的气体中的分子必定有一个平均速度，正如在人类社会中有平均年龄和平均收入一样，因此也必定有粒子的平均动能。

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