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crt graphic terminals中文是什么意思

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"crt graphic terminals"怎么读

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  • Graphic terminals are primarily of two types: CRT displays and electromechanical plotters. CRT terminals for graphic applications require the ability to draw lines and move spots on the face of the CRT, as well as printing alphanumeric characters. Since most graphic applications require a two-way interaction between the user and the computer, some form of graphic input, such as a light pen,a RAND tablet, or a cursor, is required. Most graphic applications also require an alphanumeric keyboard for manual input.; 图形终端基本有两类:CRT显示器和机电绘图仪。在图形应用中,要求CRT终端具有画线、移 动光点及显示字符的能力。由于多数图形应用要求用户和计算机 之间双向交互作用,所以CRT图形终端应具有某些形式的图形输入手段,如光笔、RAND图形输 入项、光标等,同时也应有一个人工输入用的键盘。
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