If temporary system errors, network failures, or service unavailability occur, the data used in preparation of the call is lost.
如果出现临时系统错误、网络故障或服务不可用，准备调用过程中使用的数据将丢失。
The comprehensive information service platform is made up of such primary platforms as system, technology, data and network.
综合信息服务平台以制度平台、技术平台、数据平台、网络平台作为其基本的构成。
The earthquake events database system of China Digital Seismograph Network (CDSN) is a software system for data service.
中国数字地震台网(CDSN)地震事件数据库系统是一个数据服务软件系统。
To provide better information service to users through current CATV network, we develop a multimedia data broadcasting system based on CATV, which provides various information services.
为了充分利用现有的CATV网络资源，更好地向用户提供信息服务，开发了基于CATV网的多媒体数据广播系统，它能够提供多种信息服务。
This article gives a detailed description of the network structure, the process of data acquisition and some related data service of this system.
本文详细介绍了系统的网络结构、数据采集流程和相关的数据服务。
Experimental system runs in the campus network, processes real-time data and displays network quality of service situation.
实验系统在校园网络中运行，能够实时处理采集数据并显示网络服务质量态势。
GPRS system and service data can be separated and protected through VPN, ensuring the safety of GPRS network and service.
用VPN可以对各种GPRS系统和业务数据进行合理的分离和保护，保证GPRS网络和业务的安全。
File service is provided that encrypts data of file transparently for users. Each user has a different key for encryption, users access the storage system by network driver mapping.
系统为用户提供了透明的文件加解密服务，用户通过映射网络驱动器的方式访问自己的存储空间。
The method of the invention guarantees the safety of the ascending data transmission in the Ethernet passive coaxial network (EPCN) system from the root, and the service quality is greatly improved.
本发明从根本上保证了以太网无源同轴网络（EPCN）系统中上行数据传输的安全性，大大提高 了业务服务质量。
In digital trunked system, the delay performance of packet data service is greatly affected by the design of system's parameters and the network load.
数字集群系统的参数设计和网络负荷对分组数据业务的延迟具有很大的影响。
The diagnostic tool software has powerful practicality for maintaining of the normal running data processing system of seismic station network for assuring seismic time service accuracy.
这个诊断工具软件，对维护地震台网数据处理系统正常运行，确保地震时间准确无误，具有很强的实用性。
More and more service providers and system developers pay intensive attention to CDMA2000. Using CDMA2000 as wireless data communication network, we can get many optimistic applications.
以CDMA2000网络作为数据无线传输网络，可以开发出多种前景极其乐观的各类应用。
Remote data acquisition and transfer in power system can be realized through general packet radio service (GPRS) network of China Mobile Communications Corporation.
通过中国移动通信有限公司的通用无线分组业务(general packet rad io service,GPRS)网络，可实现电力系统的远程数据采集和传输。
Remote data acquisition and transfer in power system can be realized through general packet radio service (GPRS) network of China Mobile Communications Corporation.
通过中国移动通信有限公司的通用无线分组业务(general packet rad io service,GPRS)网络，可实现电力系统的远程数据采集和传输。
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