英语词汇active frequency standard怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	active frequency standard
释义	active frequency standard 简明释义有源频率标准网络释义 1 ?主动频率标准 ... caesium frequency standard 铯频标 active frequency standard 主动频率标准 cesium frequency standard 铯频率标准 ... 双语例句 1 By applying frequency analysis method to a standard active band-pass filter circuit, a formula to calculate characteristic frequencies is offered. 根据标准有源带通滤波器原理，采用频域分析法，可得出有源带通滤波器的特征频率计算公式。
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