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- Digital Data Network(DDN) is a data network designed to transmit data on digita! channels. 数字数据网(DDN)是利用数字信道来传输数据信号的数字传输网。
- Digital Data Network(DDN) is a data transmisston network using digital channels. 数字数据网(DDN)是采用数字信道来传输数据信号的数据传输网。
- A digital data network (DDN) is a data transmission network within which digital channels are utilized for data signal transmission. 数字数据网(DDN)是采用数字信道来传输数据信号的数据传输网。
- A method is presented to transmit voice and fax on Digital Data Network (DDN) leased lines which guarantees high quality and real time service in a narrowband network. 针对窄带数字网络中传输传统语音业务的质量和实时性问题 ,提出了一种在数字数据网络 (digital data net-work,DDN)专线上传输高质量语音和传真的解决方案。
- Based on the experiences of designing Shenzhen Digital Data Network (DDN), the general design method of DDN and some important issues concerned with it are discussed. 基于深圳市数字数据通信网（DDN）的设计经验，讨论了设计DDN网的一般方法和关键问题。
- Digital data network(DDN) is contrived to transmit data signals with digital channels( optical cable or digital microwave) and digital cross connect(DXC) equipment. 数字数据网(DDN)是利用数字信道(光缆或数字微波)及数字交叉连接(DXC)设备来传送数据信号的数据传输网。
- Through the medium of versus State Electric Power Corporation digital data network function several in the few years station occur defective get analyses done,introduces DDN equipment maintenance experience. 通过对国家电力公司系统数字数据网运行几年来所发生故障的处理分析 ,介绍了DDN设备的维护经验。
- LINK/2, one of the digital data network (DDN) equipment developed by Timeplex Group of USA, is widely used in the public networks and the private networks of China. |LINK/2是美国泰讯公司研制生产的数字数据网(DDN)设备。 它在我国公用通信网和专用通信网中得到了广泛应用。
- Voice access technology on digital data network 数字数据网络中语音接入技术
- packet switched digital data network 分组交换数字数据网
- Digital data network software progress 数字式数据网络软件
- CHINADDN China Digital Data Network 中国数字数据网
- Opinions about the Digital Data Network(DDN) 浅谈数字数据网(DDN)
- The Engineering Design Specifications of Digital Data Network 数字数据网工程设计暂行规定
- The firewall sit between the power phone system internal network and the public data network. 防火墙位于强力电话系统内部网络与公共数据网络之间。
- An entrance to or exit for a data network. 一数据网络的入口或下一出口
- VPDN? Virtual Private Data Network? 虚拟私用数据网?
- No conversion from analogue to digital data is needed. 没有必要把模拟转换为数字数据。
- An application for digital data network in Shandong Digital Telemetry Seismic Network 数字数据网在山东数字遥测地震台网中的应用
- CK Composite with Check Digits data type. 具检核值的合成资料型态。
