principle of maximum utility
principle of maximum utility
效用最大化原则
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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.
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；
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