可以选定单个控件或多个控件，如果选定多个控件，则所选的第一个控件默认为“主导”控件。

You can select a single control or multiple controls, and when more than one control is selected, the first one you select is by default the "dominant" control.

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可以选定单个控件或多个控件，如果选定多个控件，则所选的第一个控件默认为“主导”控件。

You can select a single control or multiple controls, and when more than one control is selected, the first one you select is by default the "dominant" control.

youdao