我们将证明这两个逆网络选址问题都是强np困难的。
We show that both the reverse problems are strongly NP-hard.
网络选址的绝对重心和赋权绝对重心问题是网络选址的两个经典的问题。
The absolute median and weighted absolute median problem are classical problems in the network location problem.
为了描述多枢纽选址与混合网络设计综合优化问题，引入了双层规划模型建立数学模型。
To express integrated optimization of multiple hubs location and mixed network design, a bi-level programming model was introduced for mathematical models.
讨论一类在交通网络中设立服务站的最优选址问题。
This paper investigates a kind of service facilities optimal location problem in traffic network.
一般意义上的物流网络规划主要包括设施选址和运送方式及路线选择两个方面。
The logistics network planning contains two main aspects in general, one is facility location, the other is transportation mode and route selection.
本文的研究可以辅助物流选址决策，对于物流中心的布局以及网络规划能起到指导作用。
Herein research can assist location decision-making of logistics centers, and play a role in guiding overall arrangement and network planning of logistics centers.
引入BP神经网络，设计出了基于BP神经网络的大型超市选址分析模型。
BP neural network is employed to design a location analysis model for large-scale supermarkets.
物流节点的布局和设施选址是整个物流网络构建的关键环节。
The MF nodes arrangement and establishment location are the key processes to build the whole MF net architecture.
选址在朱池的洋溪大桥和长运公司也将在今年破土动工，届时朱池将会有一个四通八达的交通网络。
The Yangxi Bridge and Changyun Company which located in Zhuchi are also going to break the earth, and Zhuchi will be accessible from all directions.
而奥运物流中心选址对奥运物流网络系统运作效益的提高有着重要的影响。
Therefore, the location of Olympic logistics centre is important and useful to increase the efficiency of goods delivery.
对杭州湾AIS岸基网络的基站选址、系统结构、功能以及对杭州湾水运物流的作用进行了研究。
Also, the paper researches position selection, system construction, function of AIS base network and benefit to water carriage logistics of Hangzhou Bay.
本文在对GIS网络分析方法的阐述和P中心选址模型的分析的基础上，建立了配送中心选址优化模型。
In this paper, the optimized location model is built on the base of the illustration about GIS network analysis and the analysis of P-median location model.
考虑到枢纽机场建设对航线网络的反作用，提出了单枢纽机场选址与航线网络规划综合优化问题。
Taking into account the counteraction of the hub-airport to the flight route network, the paper presents the integrated optimization problem of one hub-airport siting and flight route network design.
研究表明，对城市农产品物流网络中的节点进行合理选址是构建物畅其流的农产品物流网络的关键。
The research has showed that it is the key for establishing the quite fluent agro-products logistics network to select the proper locations for the network nodes of agro-products logistics.
研究表明，对城市农产品物流网络中的节点进行合理选址是构建物畅其流的农产品物流网络的关键。
The research has showed that it is the key for establishing the quite fluent agro-products logistics network to select the proper locations for the network nodes of agro-products logistics.
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