... frequency reproduction 频率重现 frequency resolution constant 频率分辨常数 frequency response 频率响应，频率特性 ...
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Under normal circumstances, in order to filter at any frequency band have good frequency resolution, can be used with a broadband constant-pass filter, such as radio frequency-selective.
一般情况下，为使滤波器在任意频段都有良好的频率分辨力，可采用恒带宽带通滤波器，如收音机的选频。
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