主导控件 meaning in Chinese

dominant control

Using ctrl click , the last control selected is dominant , so the dominant control changes with every new control added
按住ctrl键并单击，最后选定的控件是主导控件，因此每次添加新控件时，主导控件会随之更改。
Select multiple controls by using either shift click or ctrl click . using shift click , the first control selected is the dominant control when aligning or manipulating the size
当对或操控大小时，如果按住shift键并单击，则第一个选定的控件是主导控件。