The principal component analysis can determine a few principal components from the connected factors and evaluate the all-around qualities of students.
采用主成分分析方法，从多种影响因素中找出几个主要成分指标，较为全面地综合评价了学生素质。
Under the technical support of software SPSS10.0, the method of principal components analysis is adopted to analyze many factors which influence water resources of Anyang.
在统计分析软件SPSS10.0的技术支持下，运用主成分分析法对影响安阳市水资源的诸因素进行定量分析。
The results of PCA analyzing the vegetation factors and grasshoppers community showed, the cumulative percent of two principal components reach 92.558% and 78.566%, respectively.
对各生境植被因素和蝗虫群落所进行的主成分分析，结果非常理想，两维主成分的累计方差贡献率分别达到了92.558%和78.566%。
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