Grey relevant theory is used and appraising system of financial analysis index is set up.

利用灰色关联理论，建立财务分析指标评价体系。

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Du Pont analysis law is to make use of a set of financial analysis index system that every main financial ratios inner link builds.

杜邦分析法是利用各主要财务比率的内在联系建立起来的一套财务分析指标体系。

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Financial risk; Precaution index System; Principal Component Analysis.

金融风险；预警指标体系；主成分分析法。

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