自由度是物体运动方程中可以写成的独立坐标数，单原子分子有3个自由度，双原子，三原子不考虑振动相当于刚体，分别有5个（3平2转）、6个自由度（3平3转），考虑振动后，双原子加1个，非线性加3个，线性加四个。
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双语例句原声例句
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转动能E是，它取决于有多少转动自由度,如果我有一个直线形的分子，只有两个转动自由度。
Or molecules. E rotational is, now it depends how many rotational degrees of freedom there are. If I've got a linear molecule, there are only two.
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对于双原子分子，转动有两个不同的自由度。
Rotations, if it's a diatomic molecule, will be two different degrees of freedom.
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验证了振动势能项将以与平动、振动、转动各自由度一样的权重分配分子能量的理论；
We verify the theory of same weight for distribution in molecular energy about the term of vibrational potential as well as various degrees of freedom of the molecules.
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Higher entropy basically because you're forming molecules of gas where there weren't any before, and there's more disorder in the gas phase than in the liquid. That is, the gas phase molecules have more freedom to roam.
高的熵是因为,我们产生了以前不存在的气体分子,气体的无序程度比液体大，换句话说,气相的分子，有更多的到处游荡的自由度。
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