With the function of spatial data management, the system can realize coupling inquiry, conditional inquiry and special subject inquiry about spatial data and their attributes of objectives.
该系统具有空间数据管理的特性，可实现对象的空间分布和属性的耦合查询、条件查询、专题查询等功能。
The Huaihe River subject research on the controlling and harnessing of water pollution as a state water special project requires a lot of spatial data and attribute data.
作为国家水专项的水污染控制与治理方面的淮河课题研究，需要大量的空间数据、属性数据。
With the spatial data management, the system can serve for conditional retrieval and special subject retrieval about spatial data and their attributes objectives.
该系统具有空间数据管理的特性、对象的空间分布查询、条件查询和专题查询等功能。
With the spatial data management, the system can serve for conditional retrieval and special subject retrieval about spatial data and their attributes objectives.
该系统具有空间数据管理的特性、对象的空间分布查询、条件查询和专题查询等功能。
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