| 释义 |
(DDS) 数字数据系统;[数位资料系统] A nation-wide privateline synchronous datacommunications network in the United States formed by interconnecting digital transmission facilities and providing special maintenance and testing capabilities. 美国一个全国范围的专用线路同步数据通信网络,它由内部互连的数字传送设备形成,并能 提供专门的维护和测试能力。 |