nth harmonic ratio 第N次谐波比 ; 次谐波比
harmonic to noise ratio 谐波噪声比 ; 谐波和噪声成份的比值 ; 谐波与噪声成分的比值 ; 谐噪比
harmonic voltage ratio 谐波电压含有率
harmonic amplitude ratio 谐波幅值比
harmonic filtering ratio 谐波滤除率
total harmonic filtering ratio 总谐波滤除率
second harmonic restraint ratio 二次谐波制动比
The device can calculate transient harmonics (up to 50 orders) of any part of data wave, give the total harmonic distortion, each harmonic ratio and each harmonic value.
装置可以计算波形任意部分的多达50次的 暂态谐波，给出谐波总畸变率及各次谐波的含有率和谐波值。
And the ratio of the color of the stone, to natural, harmonic, constitute a common style.
座与石的颜色配比，要天然、调和，构成共同的风格。
Capacitor Banks with various reactance ratio have different functions to harmonic.
不同电抗率的电容器组对谐波有不同的作用。
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