在网络环境下，基于XML并遵循ogc规范的开放式地理信息系统是解决数据共享，实现地理信息互操作的最根本的途径。
In the network environment, which is based-on XML and OGC specifications, OpenGIS is the most basic approach to solve data share and interactive operation.
本论文研究涉及到移动通讯，嵌入式开发，无线互联网，软件互操作结构，XML格式和解析，地理信息系统，GPS定位与导航等技术。
The research of this thesis involves mobile communication and wireless network, embedded development, software interoperation, XML, GIS, GPS and navigation and the technology of "3S" integration.
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