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
- diagonal
- diagonal algebra
- diagonal approximation
- diagonal argument
- diagonal block
- diagonal block form
- diagonal block matrix
- diagonal brace piece under the intermediate purlin
- diagonal carbon
- diagonal coefficient
- diagonal composition
- diagonal continued fraction
- diagonal dominance
- diagonal dominance criterion
- diagonal element
- diagonal embedding
- diagonal entry
- diagonal eyepiece
- diagonal form
- diagonal functor
- diagonal glide plane
- diagonal group
- diagonal homomorphism
- diagonal horn
- diagonal intersection