理学 计算机输入输出设备 释 optical character reader,OCR 光学字符阅读器 一种通过光学扫描的方式，将字符以图像的模式输入计算机，并进行识别与处理的输入设备。
计算机硬件 输入输出设备 释文 optical character reader, OCR 光学字符阅读器
- aviation education of Russian
- aviation education of The United States of America
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- aviation electric apparatus
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