At last, the concept of metadata and clearinghouses is explained and the existing problems of geographic data sharing are pointed out.
0和ISO19115的关系,进一步说明了元数据和数据交换网的概念,最后指出了地理数据共享存在的问题和发展方向。
Intranet and the EDEN of International Commerce Committee in Hunan Province
内联网与湖南省外经贸委电子数据交换网
packet switched digital data network
分组交换数字数据网
Circuit-switched Public Data Network , CSPDN
线路交换公众数据网络
Packet-Switched Public Data Network , PSPDN
分封交换公众数据网络
data switching
数据交换,数据转换
Data Exchange Design and Actualize in Data Service Platform;
网络数据平台中数据交换的设计与实现
Code for design of public packet switched data network engineering
公用分组交换数据网工程设计规范
Code for acceptance of public packet switched data network engineering
公用分组交换数据网工程验收规范
Technology of EDI on Internet
互联网电子数据交换技术分析与比较
Research on and Implementation of XML-Based Data Exchange Across Network;
基于XML的网络数据交换研究与实现
Research on resource data exchange oriented to networked manufacturing;
面向网络化制造的资源数据交换研究
The Network Course Data Exchange Platform Based on SOA
基于SOA的网络课程数据交换平台研究
Research on Data Exchange of Network Manufacturing Based on XML
基于XML的网络制造数据交换研究
The Design and Implementation of the Multi-protocol Transformation Gateway for the Banking-Securities Data Exchange Platform
银证数据交换平台协议转换网关的设计与实现
OceanGrid:Data grid of ocean environmental information storage and exchange
海洋网格——海洋环境信息存储与交换的数据网格
International Marine-traffic Data Exchange
国际海上交通数据交换
Committee on Exchange of Digital Data
数字数据交换委员会
Backbone providers connect to each other to exchange data between their customers.
主干网提供商互相连接，在各自用户间交换数据。