frequency dial频率度盘
frequencyn.频繁;频率
frequency modulation detector调频信号检波器
frequency-selective channel频率选择性信道
frequency automatic adjusting频率自适应
frequency modulated altimeter调频高度计
frequency modulated cyclotron调频回旋加速器
frequency-accuracy relation频率-精度关系
frequency-domain processing频域处理
frequency-dependent fitness随频适合度