And introduce a key design of high precision and width frequency area of phase meter.
并介绍一种高精度、宽频率范围的相位表的关键设计。
Calculating wind load and analysing vibration have two methods, time area and frequency area.
结构的风荷载计算和风振分析方法一般可分为时域范围和频域范围两个方面。
SMC can reduce more loss in the High-frequency area but it cannot make up the disadvantage of bad permeability.
而且在中高频应用领域只是能够降低更多的损耗,但其导磁性能差的缺点还是没能弥补;
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