However, the traditional DEA methods do not get out of the trouble of randomness in determining the effective frontier.
然而，由于传统DEA方法在确定有效前沿面方面还没有走出随机性的困境。
However, the traditional DEA methods do not get out of the trouble of randomness in determining the effective frontier.
然而，由于传统DEA方法在确定有效前沿面方面还没有走出随机性的困境。
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