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。
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.
在浓度等值线快速生成的基础上，通过接口自动形成信息系统空间和属性文件，完成了专题自动分类。
The space and attribute files in GIS are established through transformation on the basis of the formation of equal consistency line, thus completing auto-classification.
围绕着长江三峡库首区狮子口nnw向线性影像带的构造属性及其地壳稳定性评价问题进行了构造专题研究。
A study has been made about the structural attribute of the NNW-trending Shizikou linear image belt in the head area reservoir of the Yangtze River Gorges and the evaluation of its crustal stability.
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