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。
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。
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