然后利用数据包络分析法(DEA)建立了土地利用相对效率评价模型，给出了判断准则与变量设定。
A model to evaluate the comparative efficiency of land is also set up by means of DEA.
运用数据包络分析法，以河北省15家主要高新技术开发区为研究对象，对其进行投入产出相对效率分析。
This paper employs the methodology of Data Envelopment Analysis to investigate the input-output efficiency of 15 high and new technology enterprise development zones in Hebei.
运用数据包络分析法，以河北省15家主要高新技术开发区为研究对象，对其进行投入产出相对效率分析。
This paper employs the methodology of Data Envelopment Analysis to investigate the input-output efficiency of 15 high and new technology enterprise development zones in Hebei.
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