这三个问题包括：专用城市地理信息系统的开发技术、GIS空间数据的查询与分析、GIS空间数据的浏览与输出。
These three questions are: the technology of developing a special Urban GIS analysis and query of GIS space data browse and output of GIS space data.
维度建模有助于优化数据仓库的查询与分析。
Dimensional modeling helps us optimize our warehouse data for queries and analysis.
GIS支持地理空间数据的采集、存储和显示，并能将地理空间数据与相关参考数据关联以提供信息查询与分析。
GIS supports the collection, storage and display of geographic space data, and provides information inquiry and analysis by relating the geographic space data with reference data.
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