对于平衡条件下的汽液界面，由于汽液相变的影响，在紧贴界面处存在一个分子平均动能非平衡分布的区域。
The thermal non-equilibrium distribution through the interface region is caused by the energy transport between the liquid and the vapor phase.
它意味着不用做任何事，我知道，这个房间里分子的平均平动能。
It means that without doing anything, I know the average translational energy of the molecules in this room.
当热通过气体转送时，那些动能高于平均值的分子通量引起了热漂移。
Thermophresis arises from the flux of molecules with higher-than-average kinetic energy when heat is being transported through the gas.
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。
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。
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.
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