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；
Methods of spatial analysis and classification of statistical functions of GIS were used.
研究方法：GIS空间分析和分类统计。
The paper, by adopting jointly Artificial Neural Network (ANN), general Amold mapping, and statistical methods, intends to formulate an algorithm based on image spatial domain watermark.
将人工神经网络（ANN）、广义猫映射及概率统计等知识相结合构造了一种图像空间域水印算法。
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