名词
中文翻译：光学字符阅读器
同义词：
['opticalcharacter scanner', 'optical character recognition (OCR)']
例句：
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1.The optical character reader is used to readbarcodes and QR codes.
光学字符阅读器用于读取条形码和二维码。
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2. The optical character reader was the firstdevice to recognize text from images.
光学字符阅读器是第一个能够从图像中识别文本的设备。
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3. The optical character reader helped improvethe efficiency of data entry.
光学字符阅读器提高了数据输入的效率。