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F 开头的英语单词（共 143,619 个）
frequency-ranges
[网络] 频率范围内
frequency-ratio
频数比\n[数] 频率比
frequency-regulator
频率调节器
frequency-response analyzer
频率响应分析器
frequency-response characteristic
[电] 频率响应特性
frequency-response characteristics
[网络] 频率特性
frequency-response correction
[网络] 频率反应更正
frequency-response curve
[电] 频率响应曲线
frequency-response curves
频率响应特性；频率响应曲线
frequency-response equalization
[电] 频率响应等化
frequency-response trajectory
【控制系统】频率响应轨迹
frequency-rstepped waveform
步进式频率(调变)波形
frequency-sampling
[计] 频率取样
frequency-scan antenna
【电磁学】频率扫描天线
frequency-scan radar
频扫雷达
frequency-selecting amplifier
[网络] 选频放大器
frequency-selective
选择性频率
frequency-selective amplifier
频率选择放大器
frequency-selective device
[电] 电滤波器
frequency-selective element
频率选择元件
frequency-selective fading
频率选择衰落