un. 同步數(shù)據(jù)信道 synchronous data channel: 同步數(shù)據(jù)信道synchronous channel: 同步信道synchronous data: 同步數(shù)據(jù)channel, dual synchronous communications: 雙同步通訊通道channel, synchronous communications: 同步通訊通道下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯