主成份分析法可以避免只依据主观评定法确定指标体系权重的不准确性，使评估指标体系的权重更加合理、有效。
Principal component analysis can avoid inaccuracy of determining weights in index system by subjective evaluation and improve the rationality and effectiveness of assessment index system.
运用主成份分析法建立工业企业信用评价模型，并且将其有效性进行了比较检验。
The pattern of credit evaluation is founded by principal components analysis. Moreover, its validity is verified through the comparative means.
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