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It is characterized by good frequency selectivity, low insertion loss and high attenuation of specified frequency.
它具有频率选择性好，通带插损低，对陷波频点抑制较高的优点。
youdao
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It is characterized by good frequency selectivity, low insertion loss and high attenuation of specified frequency.
它具有频率选择性好，通带插损低，对陷波频点抑制较高的优点。
youdao