数据链路：两个或多个通信站之间的调制解调器、控制器或通信线路。

Data link: The communications lines, modems and controls between two or more data communications stations.

youdao

数据链路：两个或多个通信站之间的调制解调器、控制器或通信线路。

Data link: The communications lines, modems and controls between two or more data communications stations.

youdao