用归一化的专家权重、专家个人效用函数的权重以及标准化后的指标，计算群效用函数，即可确定公路路政管理难度系数。
Therefore, the difficulty coefficient of road administration is determined by calculating the group utility function based on the normalized weights, utility function of every expert and the indexes.
路政管理工作直接关系到高速公路管理的水平。
Road management work has to do with the expressway management level.
路政管理是高速公路管理的重要组成部分，必须不断提高其效率。
The road administration management is the important component of the highway administration, and raising its efficiency is necessary.
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