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
- holographic plate and film
- holographic principle
- holographic printing
- holographic projection
- holographic reconstructed image observation angle
- holographic recording material
- holographic representation
- holographic RG flow
- holographic RG flow and asymptotically AdS spaces
- holographic stamping
- holographic storage
- holographic weapon sight
- holography
- holography-based analysis
- holography document microform system
- holography principle
- hologynic inheritance
- holohedral
- holohedral symmetry
- holohedrism
- holohedron
- holohedry
- hololaser
- hololens
- holometabola