The primary selected object is typically the last object that was selected, but the primary object of a multiple component selection can be changed to any of the selected components.
主选定对象通常是最后选定的对象，但也可以将多组件选择的主对象更改为任意选定的组件。
The primary selected object is typically the last object that was selected, but the primary object of a multiple component selection can be changed to any of the selected components.
主选定对象通常是最后选定的对象，但也可以将多组件选择的主对象更改为任意选定的组件。
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