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F 开头的英语单词（共 143,619 个）
frequency modulation motor
率调制电动机，调频电动机
frequency modulation noise level on carrier
[通信] 载波的调频噪声电平
frequency modulation reception
[通信] 调频接收
frequency modulation system
调频系统;调频制
frequency modulation telecommunication system
[通信] 调频通讯系统
frequency modulation transmitter
[电讯] 调频发射机
frequency modulation tuner
[电子] 调频调谐器
frequency modulation-phase mod-ulation
[电] 调频-调相
frequency modulation-phase modulation
【电信学】调频—调相
Frequency modulation.
na. 【电】调频；调频播送\n[网络] 频率调制；频率调变；频率灯
frequency modulations
[网络] 频率调节
frequency modulator
[电] 调频器
frequency moment
频数距
frequency monitor
[电] 验频器