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
- Global Partnership for Education
- global phosphorus cycle
- global physical geography
- global plate tectonics
- Global Positioning System
- global positioning system
- global positioning system, GPS
- global positioning system jammer
- global positioning system time
- global positioning system with synchroranging
- global positioning system，GPS
- global price cap
- global problem
- global production network
- global property
- global public goods
- global query
- global radiation
- global reaction model
- global reciprocity law
- global regularization
- global regulation
- global regulatory system
- global regulon
- Global Report on Drowning: Preventing a Leading Killer