Theorem of equipartition of energy internal energy of ideal gas. maxwelldistributionlaw of velocity boltzmann distribution law.
能量均分定理，理想气体的内能；麦克斯韦速率分布率；玻尔兹曼分布率。
2
The average speed of molecules in a system relative to a molecule is expressed and the average relative speed between two molecules is given on the basis of Maxwell velocity distributionlaw.