It introduces particularly three models: city basic geographical information government affair platform, theme exploration and survey information service platform, and navigation location service.
介绍了城市基础地理信息政务平台、专题勘测信息公众服务平台和导航位置服务三种服务模式。
Position measuring instrument and method, navigation instrument and method, information service and audio-frequency information transmit-receive method.
位置测量仪器和方法，导航仪器和方法，信息服务及声频信息收发方法。
With digital group, satellite navigation, geographic information service and other functions provided by satellite communication, it achieved mobile emergency communication transmission on wheels.
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。
Real-time traffic information system is built, and real-time traffic information service system is provided. Finally, vehicle dynamic navigation based on dynamic route plan…
通过构建实时交通信息系统，借助无线通讯方式为车辆提供实时交通信息和动态路径规划服务，实现了在动态路径规划基础上的车辆动态导航。
Tourists eager to hold a self-service travel navigation product, whose functions can introduce accurate information, vivid images, real-time online through human-computer interaction.
本论文的研究目的是研发适合自助旅游的导航系统，解决自助旅游出行难和数据实时更新的问题。
Tourists eager to hold a self-service travel navigation product, whose functions can introduce accurate information, vivid images, real-time online through human-computer interaction.
本论文的研究目的是研发适合自助旅游的导航系统，解决自助旅游出行难和数据实时更新的问题。
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