理学 计算机输入输出设备 释 character input device 字符输入设备 将字符信息数字化后输入到计算机的设备总称。包括键盘、光学字符阅读器（OCR）、触屏、手写板等设备。
计算机硬件 输入输出设备 释文 character input device 字符输入设备
- real algebra
- real-algebraic
- real-algebraic curve
- real-algebraic geometry
- real-algebraic group
- real-algebraic set
- real algebraic variety
- real-algebraic variety
- real analysis
- real-analytic
- real-analytic bundle
- real-analytic function
- real-analytic geometry
- real-analytic manifold
- real-analytic set
- real-analytic space
- real-analytic structure
- real-analytic surface
- real anomaly
- real aperture
- real aperture radar
- real-aperture radar
- real axis
- real brightness
- real bundle