短語(yǔ)詞組短語(yǔ)fundamental ripple frequency 脈動(dòng)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(dòng)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 縱曏光學(xué)基頻率 返回 fundamental frequency