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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Public relation theory and PR technique;

公共关系理论与公关技术。

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Police public relation(PR) concept is the premise of setting up a good public relation for the police and controls the idea and awareness of PR behavior.

警察公关理念是警察组织建立良好公共关系的前提，是支配警察公关行为的思想和意识。

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