This paper had been carrying out a study on the layout technology of arbitrary polygons with two-step theory.

本文采用二步法对任意多边形的优化排样技术进行了研究。

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Public relation is the essence of urban planning which aim is to study methods and rules in layout or coordinate on PR according to spatial relation.

城市规划本质上是“公共关系”性的，它以“空间关系”为依托，研究各种“公共关系”布局或组织协调的方法与原则。

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Municipal Solid Waste (MSW) transfer system is divided into two levels-city central area and suburb towns, and study is carried out on the mathematical models of transfer station layout that is built.

本文根据我国城镇的特点，将城镇垃圾转运系统分为中心城区和郊镇两个层次，分别对建立转运站布局设置的数学模型进行研究，并结合实例进行了系统论证。

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