通过对高速公路服务质量的概念、内涵及特征分析，提出了高速公路服务质量的目标函数。
Through the analysis on concept, connotation and characteristic, this paper brought forward the objective function of expressway service quality.
本文研究了高速公路的通行能力与服务质量评价问题。
This paper studies the problem of traffic capability and service quality evaluation in expressway.
随着国内高速公路里程的增加，人们对高速公路的通行能力和服务质量提出了越来越高的要求。
With the increase of internal expressway mileage, the higher requirement at the traffic capacity and service quality of expressway is brought forward.
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