Frequency hop跳频
frequencyn.频繁;频率
frequency of injury损伤率
frequency allotment频率分配
frequency breakdown频率急降
frequency magnitude频度震级
frequency pacemaker频率起搏器
frequency resonance频率谐振
frequency-agility频率捷变
frequency scrambling搅频法
frequency transducer变频器
frequency management无线电频率管理