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F 开头的英语单词（共 143,619 个）
frequency idler
空载频率，无效频率
frequency illusion
[网络] 眼球效应；频率错觉
frequency impairment
频率失真传
frequency impulse
频率脉冲
frequency increment
频率增量
frequency independent antenna
定阻抗天线(输入阻抗与频率无关的天线)
frequency index
频率指数
frequency indicating device
频率指示装置
frequency indicator
[电] 示频器
frequency influence
频率影响[干扰]
frequency information
[计] 频率信息
frequency instability
频率不稳定性
frequency interlace
[电] 频率间条
frequency interlacing
[计] 频率交织
frequency interleave
[电] 频率交错
frequency interleaving
[计] 频率交错
frequency intermediate
[电] 中频
frequency interval
频率间隔
frequency inversion
频率反演
frequency irregularity
频率不规则性
frequency irregurality
频率不规则度
frequency jammer
[网络] 频率干扰器
frequency jitter
[电] 频率跳动