短語詞組短語fundamental ripple frequency 脈動基頻Fundamental Train Frequency 軸承保持器損壞頻率fundamental angular frequency 基本角頻率fundamental vibrational frequency 基頻;振動基頻fundamental E frequency 基頻fundamental U frequency 基頻fundamental resonance frequency 基本共振頻率fundamental -frequency content 基波含量longitudinal fundamental optical frequency 縱向光學(xué)基頻率 返回 fundamental frequency