求翻译：设施的平面布局模型也称为二维选址模型，主要研究在一个给定区域内确定具有一定面积要求的各个设施的最佳位置问题。一个物流节点一般由若干个物流设施组成，当不同类别的货物运到节点后，根据物流作业流程要求，需要在其不同的设施中进行处理。不同性质及不同功能的节点，货物在其设施上处理的时间和处理的次序是不相同的，因此，布置各种设施在节点内是什么意思？

Facilities layout model, also called two-dimensional location model, the main research area in a given area to determine the requirements of certain facilities in the best position of each issue. A logistics node is generally formed by a number of logistics facilities, when different categories of g

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The facility planar configuration model also is called the two-dimensional selected location model, the main research assigns in the region in one the determination to have certain area request each facility best position question.A physical distribution node is composed generally by certain physica

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The plane figure model of facilities is called the two-dimentional model of selecting site too, the main research confirms the problem of best position with each facility that certain area requires in a designated area. A logistics node is generally made up of several logistics faciliti