triple frequency harmonic 三次谐波
high frequency harmonic oscillator 高频谐振子
audio frequency harmonic distortion 声频谐波失真
Variable frequency harmonic oscillator 变频率谐振子
harmonic frequency [电子] 谐波频率 ; [物] [电子] 谐频 ; 谐振频率
It neither has heating problem of the electronics soft starter, nor generates high frequency harmonic like SCR.
它没有电子软起动器的发热问题，也不会像晶闸管一样引起高次谐波。
Any subtle change of capacitance can be measured through the method of modulation on high-frequency harmonic oscillation return circuit.
电容的微小变化可通过对高频谐振回路调制的方法进行测量。
High frequency harmonic in electric power network can pollute the network, control high frequency harmonic is an important research problem in electrical system function.
电网中的高次谐波对电网有污染，抑制高次谐波是电力系统运行中的重要研究课题。
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