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
- Russian strategic offensive nuclear weapon
- Russian sturgeon
- Russian tap dance
- Russian United Engine Corporation
- Russian University of Transport
- Russian vegetation school
- Russian Virtual Observatory
- Russian wheat aphid
- Russian Women
- Russian Zemstvo Movement
- Russia 's economic transition
- Russia Signal Flag Force
- Russia space activities
- Russia Today
- Russkaya Pravda
- Russky Island Bridge
- Russo-Iranian Wars
- Russo-Japanese War
- Russo-Turkish Wars
- rust
- Rust Belt
- rust fungi
- Rustic and Vulgar Woman
- rustic shoulder-knot
- rustless