The extraction methods of the dominant components from every element are presented, and regionalization methods combining statistical analysis and spatial overlay analysis are used.
提出了水土保持区划指标体系中各要素主导因素的提取方法,把统计分析和空间叠置分析相结合的区划方法应用到了水土保持区划中;
Overlay is used in data integration and is a technical process, the results of which can be used in realistic forms of spatial analysis.
叠盖被使用在资料综合化和是一个技术过程,结果能被使用在现实形式的空间分析。
Spatial overlay is one of the most important spatial analysis functions in the Geographic Information System, and its efficiency will directly influence the whole function of GIS.
空间叠加是GIS系统必不可少的空间分析功能之一,空间叠加分析效率的高低直接影响到GIS整体功能的发挥。
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