纵轴显示各 X 平方分布值的概率（或称为出现的相对频率）。
The left axis shows the probability, or relative frequency of occurrence, of various Chi Square values.
本文导出了混合理想气体中分子相对速度的分布，并由此计算了混合理想气体中分子的碰撞频率和平均自由程。
At present paper, we deduced the relative velocity distribution of mixed ideal gas molecule. Then we got the average collide frequency and average free distance.
应用这些信号可以给出不同频率带上爆破振动的相对能量分布和振动强度的时间变化规律。
By using these signals, the relative energy distributions of blasting vibration in different frequency bands and the regularity of vibration strength varying with time can be obtained.
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