The touch screen is employed for man-computer interaction.
触摸屏系统用于人机交互；
The window plays a very important role in the man-computer interaction.
窗口在人机交互中起着非常重要的作用。
The touch screen is employed for man-computer interaction to help user to set work parameters.
设备采用触摸屏器件作为人机交互界面，方便用户对工作参数进行设置并查看工作状态。
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