您可以在使用点标记法进行查询时使用这些关联性，进而存取关联性属性以及从某个物件巡览到另一个物件。

You can use these relationships when you query by using dot notation to access the relationship properties and navigate from one object to another.

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提出了进行客户汇集的点标记法，将该方法产生的误差与网格法产生的误差进行了对比，所得误差结果在合理的范围内。

A point mark method was proposed and compared with grid method and the transport distance error was in a reasonable range.

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