... frequency modulation 频率调制，调频 frequency modulation characteristic 调频特性[曲线] frequency modulation motor 频率调制电动机，调频电动机 ...
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The static frequency modulation characteristic of electric network is the foundation of frequency stability of the electric network that determined by frequency modulation.
由一次调频决定的电网静态调频特性，则是电网频率稳定性的基础。
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