光笔的英文

例句与用法

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1. The plessey library pen was the first light-pen-based system to be used in libraries .
   Plessey图书馆光笔系统是图书馆使用的第一个光笔化系统。
2. They had recently installed their lightpen system in a supermarket for stocktaking purpose .
   他们最近在超级市场安装了用于盘点库存的光笔系统。
3. Terminal light - pen system
   终端机光笔系统
4. Wand bar code scanners
   光笔式条码扫描器