本文研究了社会选择理论中最小决定集的唯一存在性条件，分析了最小决定集与选择函数之间的相互联系。
In this paper, the unique existence condition of minimal determining set in social choice theory is researched, and the relation between minimal determining set and choice function is analyzed.
首先，通过模糊统计和最小二乘回归建立了决定路面使用性能好坏的车辙、平整度等五种因素的隶属函数集；
Firstly, by means of fuzzy statistics membership function sets are established for five factors affecting rut, evenness of pavement etc.
首先，通过模糊统计和最小二乘回归建立了决定路面使用性能好坏的车辙、平整度等五种因素的隶属函数集；
Firstly, by means of fuzzy statistics membership function sets are established for five factors affecting rut, evenness of pavement etc.
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