短语词组短语bandpass filter 带通滤波器BP BandPass 带通;传送带Bandpass Filters 通频带滤波器;带通滤波器bandpass shape 带通频率特性bandpass circuit [电子]带通电路bandpass amplification 带通放大bandpass loss 带通损耗bandpass siginalsampling 带通采样bandpass halfwidth 半宽度 返回 bandpass