... fundamental fuel lower calorific value 基准燃油低热值 fundamental harmonic 基波 fundamental law 基本定律 ...
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... fundamental component 基频分量 fundamental frequency 基频、基波 fundamental harmonic 基本谐波 fundamental tone 基音 ...
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fundamental-harmonic relative phase 基频与谐波相对相位
fundamental cyclotron harmonic 回旋基波
fundamental and harmonic fields 基波与谐波磁场
fundamental to harmonic power ratio 基波对谐波功率比
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These disadvantages could be eliminated in three-phase systems if the energy account based on the integral of the active power of the positive sequence component with the fundamental harmonic.
在三相系统中，以正序基波功率的积分作为计量标准，同样可以消除这两方面的不利影响。
The chords the students liked best have frequencies with that harmonic relationship, too - all the frequencies are integer multiples of a common fundamental frequency.
大学生们喜爱的和弦也都有着最好的谐振关系——所有的谐振频率都是一个常见基频的整数倍数。
The active filter acts as an infinite impedance to the external for the fundamental frequency and as a low resistor for harmonic frequencies.
对外电路而言，在基波频率下有源滤波器被控制为无限大阻抗，在谐波频率下被控制为小电阻。
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