讨论气体分子平动能分布特点，给出三个特征平动能，并分析它们与特征速率的关系。
The specialtion of translation energy distribution of gaseous molecule is given, three special translation energy are given, and ther elation of they with special speed is analysised.
道尔顿板是用来说明气体分子运动速率分布统计规律性的教学仪器。
Dalton board is an instrument used to ex-plain statistics disciplinarian of velocity distribution of air molecule movement.
第三章从理想气体分子的麦克斯韦速率分布给出分子束的速率分布函数的具体形式。
In chapter 2, from velocity distribution function of ideal gaseous molecule, this paper deduces Maxwell's speed distribution function.
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