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
- geology of North America
- geology of ocean floors
- geology of Oceania
- geology of orebody
- geology of ore district
- geology of Qinghai-Xizang Plateau
- geology of South America
- geology of Tethys
- geology reference material
- geology sampling
- geomagnetic
- geomagnetic activity
- geomagnetic anisotropy
- geomagnetic anomaly
- geomagnetic anomaly field
- geomagnetic axis
- geomagnetic base station
- geomagnetic boundary
- geomagnetic cavity
- geomagnetic chart
- geomagnetic coordinate
- geomagnetic cut-off latitude
- geomagnetic declination
- geomagnetic dipole
- geomagnetic disturbance