So,a train dispatching information system base d on CSD mode of GSM-R system is built and it can transfer dispatching data inf ormation between the control center and trains.
介绍一种利用GSM-R系统电路交换数据模式来传输无线列车调度数据的方式,具有可靠性高、传输时延小和安全性好的优点。
This paper gives an introduction to high speed circuit switched data(HSCSD)and general packet radio service (GPRS) appearing during the evolution period of 2G to 3G,and makes an comparison between them,while both provide high speed and flexible service and have a bright futur
介绍了 2G (第二代移动通信 )系统向 3G (第三代移动通信 )系统演进过程中出现的两种过渡方案HSCSD (高速电路交换数据业务 )与GPRS (通用分组无线业务 ) ,并介绍了两者在网络结构及所提供业务方面的异同点。
circuit-switched data transmission service
电路交换数据传输业务
Study of the Implementation of Data Communication in the Real-time Digital Circuit
高速数字电路中的数据交换实现方法研究
circuit switch data transmission service
线路交换数据传输服务
Circuit-switched Public Data Network , CSPDN
线路交换公众数据网络
Organization for Data Exchange via Telecommunication in Europe
欧洲电传数据交换组织
automatic electronic switching center
自动电子数据交换中心
Electronic Data Interchange Marine Manuel
电子数据交换海事手册
Trade Electronic Data Interchange System
贸易电子数据交换系统
EDI (electronic data interchange)
电子数据交换,[港]电子数据联通
data switching
数据交换,数据转换
The process of setting up a data transfer on a PSTN line.
在公用电话交换网（PSTN）线路上建立数据传输的过程。
A digital switching device in telecommunications for routing lines.
电讯中用于线路路由的数字交换装置。
Model interchange agreement for the international commercial use of electronic data interchange
GB/T17629-1998电子数据交换的国际商用交换协议样本
Application and Research on the E-Government Data-exchange Engine Based on Metadata;
基于元数据的电子政务数据交换引擎应用研究
Research on Exchanging Data between Database and Complex Electric Table
数据库与复杂电子表格间数据交换研究
Conference on Electronic Data Interchange and the Law
电子数据交换与法律会议
Ad Hoc Expert Group on Electronic Data Interchange
电子数据交换特设专家组
The terms of electronic data interchange
GB/T14915-1994电子数据交换术语