As a result, the spatial distribution of social and economic data what gridding cells express is closer to fact than what administration cells do.
结果表明：利用网格单元表达社会、经济数据的空间分布，比用行政单元本身更接近于实际。
Firstly, this paper introduce GML and SVG, analyzed that how to express spatial data with GML and the advantages of using SVG to publish it on the web.
文中首先对GML和SVG技术进行了介绍，分析了GML怎样表示空间数据以及用s VG对其进行发布的优点。
The geological structure simulation of the three-dimension can express the complicated geological structural configuration, and reflect the spatial relationship among the structural elements.
三维地质结构模拟可以表达复杂的地质构造形态，反映构造要素之间的空间关系。
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