理学 计算机输入输出设备 释 optical mark reader; OMR 光学标记阅读器 是一种标记输入设备。该设备用光学扫描的方式识别并获取按一定格式印刷或书写的标记，并转化为计算机系统能够接收识别的数字文件。简称光标阅读器。
计算机硬件 输入输出设备 释文 optical mark reader, OMR 光学标记阅读器 计算机硬件 输入输出设备 释文 optical mark reader, OMR 光学标记阅读器
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- economic security
- economic security events
- economic service life
- economic service period
- economic situation map
- economic sociology
- economics of consumption
- economics of corruption
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- economics of fisheries
- economics of grassland resource
- economics of information
- Economics of Language
- economics of regulation
- Economics of Regulation and Antitrust
- Economics of the Arts
- Economics of the Public Sector
- economic soft landing
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- economic specific frictional head loss
- economic spy
- economic stabilization and development law