1、A voice or data communications channel currently in use.
目前使用的話音或數(shù)據(jù)通信信道。

2、Association of Data Communications Users.
數(shù)據(jù)通信用戶協(xié)會(huì)。

3、The use of continuous phase FSK for data communications in CATV networks
連續(xù)相位FSK在電纜電視網(wǎng)絡(luò)中的數(shù)據(jù)通信

data communications翻譯