If a user can keep the mouse button within three pixels of the mouse-down point, the entire click action is interpreted as a selection command, and all tiny, spurious moves are ignored.

• 如果用户能够保持鼠标按键在按下位置的3个像素之内，整个的单击动作被视为选择命令。 而所有小幅度且无意识的移动将被忽略，对象不再颤动。