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point·ing device AHD[poinʹtĭng] D.J.[ˈpɔɪntɪŋ]K.K.[ˈpɔɪntɪŋ]n.Computer Science（名词）【计算机科学】- An input device, such as a mouse, joystick, or trackball, with which one can move or manipulate a cursor or pointer on a GUI.指向装置：为输入装置，像是鼠标、操纵杆或是轨迹球，用来移动或操作图形接口上的光标或指示物
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