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 distribution law.
根据麦克斯韦速度分布律，表示出系统内分子相对某一个分子的平均相对速率，进而求出两分子间的平均相对速率。
There existed a active correlation between the growth speed of the Chinese toon tree's seedling and the average temperature and the average relative humidity.
温室香椿的椿芽生长速度与温室内平均温度和平均相对湿度均成正相关关系。
There existed a active correlation between the growth speed of the Chinese toon tree's seedling and the average temperature and the average relative humidity.
温室香椿的椿芽生长速度与温室内平均温度和平均相对湿度均成正相关关系。
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