The content on how to conduct the coordinates of spatial data transformation problems.
本内容关于如何进行空间数据的坐标变换问题。
Spatial clustering analysis is important method and study content of spatial analysis and spatial data mining.
空间聚类是空间分析和空间数据挖掘的重要方法和研究内容。
Content of research includes: According to the special feature of spatial data management, disaster information was introduced into the spatial database.
具体的研究内容包括：首先需要依据空间数据管理的特点，向空间数据库中引入多元灾害信息。
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