frequency trim频率微调
frequencyn.频繁;频率
frequency-domain-interleaving频域交织
frequency modulation feed forward前馈调频
frequency-fixed beam-steering定频波束可调
frequency characteristic analyzer频率特性分析仪
frequency-resolved spectroscopy分频频谱学
frequency converter speed control变频调速
frequency changer speed governing变频调速
frequency temperature coefficient频率温度系数