研究方法：主成分法，聚类分析法，比较法，模型法。
Methods of principle component analysis, clustering analysis, comparative analysis and modeling were employed.
方法用主成分法提取因子进行方差最大正交旋转，计算因子负荷及主因子得分。
Methods the factors were extracted by principal component analysis and rotated by Varimax, then calculated the factor loading and the score of common factors.
多指标综合评价方法，包括层次分析法、模糊综合评价法、DEA法和主成分法等。
Multi-index integrated evaluation method contains the layer analysis method, fuzzy integrated evaluation method, DEA method, main component method and so on.
方法采用专家咨询打分法、离散趋势法、主成分分析法和聚类分析法进行分析。
Methods The methods of analysis were used by expert consulting graded approach, discrete tendency, principal component analysis and cluster analysis.
方法采用专家咨询打分法、离散趋势法、主成分分析法和聚类分析法进行分析。
Methods The methods of analysis were used by expert consulting graded approach, discrete tendency, principal component analysis and cluster analysis.
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