This system supports the edit of earth object, the display and storage of flight map data.

系统具备地物对象的编辑、航空地图数据的显示和存取等功能。

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Using this system user can inquire about property of schools, some main buss stations and streets. Licensed users can edit school's position in the map and its inside property data…

管理员可以在原有基础上对地图的点和线以及内部属性数据进行编辑，同时还提供了基于街道中心线的最短路径分析。

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