frequencyn.频繁;频率
frequency hopper direct-sequence modulat跳频器直接序列调制
frequency of green plandet differentiation成苗率
frequency-time-domain-transformationn.频域-时域变换
frequency hopping multiple-access commun跳频多路存取通信系统
frequency-variable numerically cotrolled频率数控可变
Frequency-doubled antireflection coating倍频增透膜
frequency offset estimation and correction频偏估计
frequency modulation-phase mod-ulation[电] 调频-调相