短語詞組短語discontinuous passband 不連續(xù)通帶velocity passband 速度通帶passband channel 通帶通道chrominance passband 色度信號通帶passband fluctuation [電子]通帶波動passband filter 帶通濾波器parasitical passband 寄生通帶Filtering Passband 濾波通放帶frequency passband 射頻通帶 返回 passband