短語(yǔ)詞組短語(yǔ)signal isolation transmission 信號(hào)隔離傳輸signal waveform transmission 波形數(shù)據(jù)通信digital signal carrier transmission 數(shù)字信號(hào)載波傳輸signal cascade transmission 信號(hào)級(jí)聯(lián)傳遞digital signal baseband transmission 數(shù)字信號(hào)基帶傳輸signal remote transmission 信號(hào)遠(yuǎn)程傳輸railway signal information transmission 鐵路信號(hào)信息傳輸signal transmission without attenuation 無(wú)衰減信號(hào)傳播image signal transmission 圖像信號(hào)傳輸 返回 signal transmission