短語詞組短語broadband pcs channel 寬帶pcs信道broadband data channel 繙譯;寬帶數(shù)據(jù)通道broadband transmission channel 寬帶傳輸信道broadband fading channel 寬帶衰落信道BBCC BroadBand Communication Channel 寬帶通信信道broadband communication channel 寬帶通信信道broadband d channel 寬帶信道bcc broadband communication channel 寬帶通信信道broadband protection channel 寬 返回 broadband channel