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.

youdao

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.

youdao