An empirical formula describing the dependence of the power of hysteresis loss on frequency, magnetic flux density and temperature was derived.
得出磁滞损耗功率与频率、磁通密度及温度的经验公式。
Calculation of empirical frequency and selection of frequency distribution model form two most important segments in the formula of urban stormy statistics.
城市暴雨公式统计中最重要的两个环节就是经验频率的计算和频率分布模型的选择。
Calculation of empirical frequency and selection of frequency distribution model form two most important segments in the formula of urban stormy statistics.
城市暴雨公式统计中最重要的两个环节就是经验频率的计算和频率分布模型的选择。
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