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在 Windows 操作系统中,鼠标是除了键盘之外最关键的输入设备,一般分为机械式和光电式两种.机械式鼠标的底部有一个塑胶小球,当鼠标在桌面上移动时就会带动小球随之滚动.与小球接触在一起的是三个滚轴,其中的两个分别是 X 轴方向和 Y 轴方向滚轴,分别测量这两个方向的移动量;第三个是空轴,仅起支撑作用.前两个滚轴又各带动一个译码轮转轴转动,
In the Windows operating system, the mouse is the key input device other than the keyboard, generally divided into mechanical and photoelectric two kinds of mechanical mouse at the bottom of a plastic ball, when the mouse moves on the desktop will lead With the ball rolling with contact with the ball is three rollers, two of which are the X-axis and Y-axis direction of the roller, respectively, to measure the amount of movement in both directions; the third is empty Axis, only play a supporting role.The first two rollers and each drive a decoding wheel rotation,