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利用DEA模型进行公路机械供应商选择,提出了CR2评价模型,并讨论了该模型的最优解问题,最后通过实例验证了DEA模型的有效性,为公路机械选购决策提供了可靠的依据。
The DEA model is used to select the suppliers of highway machinery. The CR2 evaluation model is proposed and the optimal solution of the model is discussed. Finally, the validity of the DEA model is verified by examples, which provides a reliable basis for highway machinery purchasing decision.