Why is there less head movement?

为什么磁盘头移动更少？

To help create the illusion of the move, add a head movement.

为了创造此动作的错觉，我们还需要头部动作。

If you are on a treadmill watch your head movement in a mirror.

如果你在跑步机上跑，在镜子里观察一下你的头部的运动。

Cutting head movement and feed are used linear bearing motion pair.

机头移动和进给均采用直线轴承运动副。

This is determined by the settings in the Dynamic Head Movement section.

由动态方向运动部分的设定确定。