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
- surface electrical transport
- surface electrochemistry
- surface electromagnetic coupled oscillation
- surface electromagnetic oscillations
- surface electromagnetic prospecting instrument
- surface electromagnetic wave
- surface electromyogram
- surface electromyogram, SEMG
- surface electronic potential and electronic double layer
- surface electronic state
- surface electronic structure
- surface element
- surface ellipsoidal harmonic
- surface embedding
- surface emitting laser array
- surface emitting semiconductor laser
- surface energy
- surface energy level
- surface energy of liquid
- surface engineering
- surface engineering technology
- surface-enhanced infrared absorption spectroscopy
- surface enhanced laser desorption ionization
- surface-enhanced laser desorption ionization
- surface enhanced Raman scattering