为此，研究了运输产品市场选择的用户效用极大化原理，建立了运输产品服务水平量化标定的效用函数；
The paper introduced the utility function that can calibrate the service level of transportation products on the basis of the maximum principle for user utility in selecting transportation products.
在新古典主义经济理论决策人类是自私的是理性的效用极大化者，这些人在决策时依据人际关系的情况下作相应地表现。
In neoclassical economic theories about decision making humans are conceived as self-interested, rational utility maximizers, who behave accordingly when making decisions in interpersonal situations.
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