Failures analysis on the 2 M digital trunk of SPC exchanger;
程控交换机2M数字中继故障分析
Design and Implementation of Interface about Digital Trunk in Embedded IP-PBX System;
嵌入式IP-PBX中数字中继接口的设计与实现
Two types of core structure of multi-pair trunk digital cables used in LAN are introduced,one has a concentrically stranded core and another has some subunits.
介绍了局域网用多对数主干数字电缆的同心式和子单位式两种缆芯结构。
The main difference among YD/T 1019—2001,ISO/IEC 11801—2002,TIA/EIA 568 series of standards for testing digital cables is described.
阐述了YD/T 1019-2001I、SO/IEC 11801-2002、TIA/EIA 568系列标准在测试数字电缆时的主要差异。
Design and Implementation PCM Digital Relay Interface in Digital Communication System
数字通信系统中PCM数字中继接口设计与实现
Design and Implementation of Interface about Digital Trunk in Embedded IP-PBX System;
嵌入式IP-PBX中数字中继接口的设计与实现
Design & Realization of SS7 DTU Interface in SDH Private Communication Network;
SDH专网中七号信令数字中继接口的设计与实现
Design of Three-Phase Digital Electric Power Meter with Data Relaying Function
具有数据中继功能的三相数字电表设计
relay digital counter
继电器式数字计数器
Saving will remove all digital signatures in the document. Do you want to continue?
保存将会删除文档中的所有数字签名。是否继续?
A format which allows the number of words in successive blocks to vary.
一种允许相继块中的字数可以变动的格式。
Study on the Multi-channel Point to Point Digital Mirowave Communication Relay Station;
多频段点对点数字微波通信中继站的研究
digit output relay option
数字输出继电器任选
Previously entered data in the From field will be removed. Do you want to continue?
以前在“发件人”字段中输入的数据将被删除。要继续吗?
Interoffice junction digital line signalling system for telephone automatic switching network
GB3971.2-1983电话自动交换网局间中继数字型线路信号方式
Application of Digital Signature Technology in Setting Management System of Protective Relaying
数字签名技术在继电保护定值管理系统中的应用
data relay and technology mission
数据中继和技术任务(数据中继任务)
Other munitions production figures are as follows,
继续其他军需品的数字统计。
Development of Optical Fiber Digital Relay Protection Tester Based on IEC61850;
基于IEC61850光数字继电保护测试仪的研制
The Study of Hybrid Modeling and Simulation to Digital Relay Protection;
数字继电保护混杂建模与仿真的研究
Research on New Type Appliance of Digital Relay Protection Based on CS8900;
基于CS8900的新型数字继电保护装置研制
Digital Library and Continuing Education of its Librarian;
数字图书馆与图书馆人员的继续教育
