Based on the analysis of the current spatial index method characteristics, a kind of partition index file method is designed.
在分析现有空间索引方法特点的基础上，设计了一种分区索引文件方法。
Based on spatial analysis method of economic geography, the characteristics of spatial distribution and flow of wealth group are analyzed, taking a province as the basic unit.
运用经济地理的空间分析方法，以省区为基本区域单元，分析我国财富人群空间分布和空间流动特征。
Based on comparative analysis on spatial temporal distribution characteristics of soil nutrients of typical dam land in Beigou small watershed of Yan 'an City.
通过对延安市北沟小流域典型坝地土壤养分的测定，分析比较了其土壤养分时空分布特征。
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