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本文提出了一系列含有偏好的ＤＥＡ模型。它们反映了决策者或决策单元对其输入、输出调整比率的偏好。并且通过确定一定的权重，可以得到ＤＥＡ有效前沿面上的每一个有效投影点。
This article proposes a series of DEA models with preferences. They reflect the preferences of decision-makers or decision-making units for their input and output adjustment ratios. And by determining a certain weight, we can get every valid projection point on the effective frontier of DEA.