1.In addition the company also SDH, ATM, DDN, and other aspects of the world and many manufacturers have extensive and close cooperation.
此外公司还在SDH、ATM、DDN等方面与世界上许多的厂商有着广泛而密切的合作。
2.I wasn't there, therefore I ddn't see.
我不在那儿，所以没有看见。
3.In the country , I ddn't have computer, I didn't have the nice toy.
在乡下，我没有电脑，没有好玩的玩具，但我有一般很要好的朋友。
4.The Two Sort of Data Transmission Network Contrast Between the DDN and the FR
DDN与帧中继两种数据传输网络的比较
5.The Application of DDN Digital Signal Transparent Transmission Technology in Dispatching Automation System
DDN数字透传技术在调度自动化系统中的应用
6.BTV Broadcast Television CATV Community Antenna TV DDN Digital Data Network DHC Dynamic Host Configuration Protocol
广播电视有线电视数字数据网动态主机分配协议英文缩写英文名称中文名称
7.The discussion of accessing way of DDN special line interconnecting two LAN
DDN专线连接两个局域网接入方式的探讨
8.Implementation of direct digital transparent transmission of RTU data in DDN
RTU信息在DDN网络中数字透传的实现
9.The Common Faults and Countermeasures in DDN Communications
DDN通信中常见的故障及处理
10.Network building mode of management system for DDN external equipment
DDN延伸设备网管系统的组网方式