建立在数据包络方法基础上的评价相对有效性方法是多目标决策的一种有效途径。

The method of evaluation of relative validity based on data envelope is an effective way of multi-objective decision.

youdao

方法数据包络分析应用。

Methods Data Envelopment Analysis (DEA) was applied.

youdao

最后，运用数据包络分析的方法，结合世界上八个国家的虚拟水使用效率，进行了比较分析，同时给出了相关的对策以及建议。

At last, according to the virtual water efficiency within eight countries and DEA (Data Envelop analysis) method, the paper makes compare and analysis and also supplies related measure and suggestion.

youdao