In this paper, a ranking method for DMU based on a set of common weights to obtain the DMU's relative efficiency index is analyzed, and the shortcoming of this method is pointed out.
对利用一组公共权重求解决策单元相对效率指数进而对决策单元进行排序的方法进行了分析，并指出了该方法的不足之处。
The selection index made up of several properties and conditions remarkably correlative with the leaf area has the highest relative efficiency of selection.
由与叶面积显著相关的多个性状组成的选择指数，选择的相对效率最高。
The selection index made up of several properties and conditions remarkably correlative with the leaf area has the highest relative efficiency of selection.
由与叶面积显著相关的多个性状组成的选择指数，选择的相对效率最高。
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