网络地图已经成为地理信息传输与发布的有效途径和人们获取空间信息的重要工具。
Internet map has been an effective way to transfer and distribute geographic information, which has been also an important tool for people to obtain information.
即地理标记语言：是一种用于空间地理信息传输和存储的XML应用，能够表示地理空间对象的空间数据和非空间属性数据。
The advent of XML gives an effective way. GML(Geographical Markup Language) is a XML application used for transmission and storage for geographical information.
以卫星通信为支撑集成数字集群、卫星导航和地理信息服务等功能，实现了车载机动应急通信传输。
With digital group, satellite navigation, geographic information service and other functions provided by satellite communication, it achieved mobile emergency communication transmission on wheels.
本文分析了网络地理信息系统在数据传输方面可能存在的安全隐患 ，以及为了克服这些隐患所须满足的安全需求。
In this paper, the author analyzes some hidden security troubles and the security necessity in order to overcome those troubles.
本文分析了网络地理信息系统在数据传输方面可能存在的安全隐患 ，以及为了克服这些隐患所须满足的安全需求。
In this paper, the author analyzes some hidden security troubles and the security necessity in order to overcome those troubles.
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