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
- geography of forestry
- geography of goods flow
- geography of highway transportation
- geography of language
- geography of mountain
- geography of passenger flow
- geography of pipeline transportation
- geography of polar region
- geography of power
- geography of railway transportation
- geography of religion
- geography of river transportation
- geography of rural household
- geography of rural poverty
- geography of surfaces
- Geography of the Countries
- geography of transportation sector
- geography of tropics
- geography of urban transportation
- Geography Records of Western Regions
- geo-grid map
- Geogrids
- GEOHAB
- geoheritage
- geoheritage contrast