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
- book subscription list
- books with disks
- book thread sewing machine
- book title
- book token
- book value
- book version
- book with fragrance
- Boole
- Boolean addition
- Boolean algebra
- Boolean algebra of sets
- Boolean algebra with operators
- Boolean arithmetic
- Boolean circuit
- Boolean complement
- Boolean connective
- Boolean constant
- Boolean difference
- Boolean differential calculus
- Boolean element
- Boolean equation
- Boolean expression
- Boolean form
- Boolean formula