理学 计算机输入输出设备 释 optical character reader,OCR 光学字符阅读器 一种通过光学扫描的方式，将字符以图像的模式输入计算机，并进行识别与处理的输入设备。
计算机硬件 输入输出设备 释文 optical character reader, OCR 光学字符阅读器
- Recovery Program of Hebert Hoover
- recovery ratio of water fee
- recovery self-efficacy
- recovery testing
- recovery time
- recovery time objective
- recovery time objective, RTO
- recreation
- recreational agriculture
- recreational belt around cities，ReBAC
- recreational business district，RBD
- recreational fishery
- recreational fishing resource
- recreational lawn
- recreational mathematics
- recreational sports in parks
- recreational sports in the water area
- recreational sports of ice and snow
- Recreational Vehicle Park
- recreational view of photography
- recreation facilities
- Recruit Hermit
- recruitment
- Recruitment Board
- recruitment channel