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四十九、什么是条形码技术?它在档案管理中有哪些应用?条形码是由一组粗细不同、黑白或色彩相间的线条以及相应的字符、数字组成的标记,用以表示一定的信息。条形码技术是利用光电扫描阅读设备识读条形码信息并将其输入计算机的技
49. What is bar code technology and what are its applications in file management? Bar code is a group of different thickness, black and white or color and white lines and the corresponding characters, numbers composed of tags to represent certain information. Bar code technology is the use of photoelectric scanning reading equipment to read bar code information and enter it into the computer technology