The loads and the distribution of stress amplitude frequency are obtained by cycle count and reliable data for fatigue design are provided by probability density function fit.
用循环计数法求出载荷及应力幅频率分布，用概率密度函数拟合，为疲劳设计提供可靠性高的数据资。
According to the traditional flood frequency analysis, flood data are assumed to have been taken from a known distribution function as a whole.
传统的洪水频率分析都是假定洪水资料取自某一已知分布函数的总体。
In chapter 4, from molecule beam's speed distribution function, this paper deduces energy, momentum, frequency and wavelength distribution function.
第四章从分子束的速率分布函数出发推导了与速度有关的能量、动量、频率和波长等物理量的分布函数。
Then, we analyze the field-distribution in the High-frequency structure with helix cavity and gain the distribution function in the interaction space.
接着，对螺旋腔高频结构的场分布进行了深入的分析，得出了互作用空间的高频场表达式。
Then, we analyze the field-distribution in the High-frequency structure with helix cavity and gain the distribution function in the interaction space.
接着，对螺旋腔高频结构的场分布进行了深入的分析，得出了互作用空间的高频场表达式。
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