The thesis studied the theories and the model of the safety incidentequivalent index .

论文研究了安全事故当量指数的理论及模型。

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Multifactor model holds important position in modern investment theories.

多因素模型在现代投资理论中居于重要地位。

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And also introduces the related theories and construction method of knowledge model.

并介绍了知识模型的相关理论和构建方法。

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And also introduces the related theories and construction method of knowledge model.

并介绍了知识模型的相关理论和构建方法。

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