In this mode, the server allows you to define a data change threshold and refresh statistics only if the data has changed beyond the threshold since they were last built.
Similar to the movement mode above, the zoom-control mode moves the mouse in the Y dimension depending on how far the ThinkPad has been tipped past the movement threshold forward or back.
类似上文的移动模式，升降控制模式将根据翻转thinkpad而超过移动阈值的程度在y维度移动鼠标。
3
The second value is the threshold for a memory pressure mode to begin to apply pressure to buffer usage.