本文利用图论的理论与方法对邮区中心局的选址问题进行优化。
This article focuses on the optimization of the site-choosing of the central office in the post district, using the principles and methods in Graph Theory.
提出了邮政运输网路中的派车优化数学模型和优选邮区中心局的数学模型，并进行了简要的分析。
The paper presents some optimum mathematical models for dispatching vehicles in a postal transport network or selecting postal district centres. A brief analysis of these models is given.
提出了邮政运输网路中的派车优化数学模型和优选邮区中心局的数学模型，并进行了简要的分析。
The paper presents some optimum mathematical models for dispatching vehicles in a postal transport network or selecting postal district centres. A brief analysis of these models is given.
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