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  •   你查询的单词是:indicator ([ 'indikeitə ]
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  •   解释: n. 指示器,指示剂
    [计算机] 指示符
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  •   例子: 1. An indicator or a sighting apparatus on a plane table, used in angular measurement.
       旋标装置飞机控制板上的指示器或观测仪,用来测量角度
    2. A hand-held, button-activated input device that when rolled along a flat surface directs an indicator to move correspondingly about a computer screen, allowing the operator to move the indicator freely, as to select operations or manipulate text or graphics.
       鼠标一种手用的、用按扭控制的输入设备,当在平台上滑动时可以相应地移动计算机屏幕上的指示箭头,使得操作者可以随意控制指示箭头,由此来选择项目、控制内容或作图
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