计算机硬件 输入输出设备 释文 optical character reader, OCR 光学字符阅读器 计算机硬件 输入输出设备 释文 optical character reader, OCR 光学字符阅读器
- Ball of wool
- ballometer
- ballonet
- balloon
- balloon astronomy
- balloon-based astronomy
- balloon-based IR astronomy
- balloon-based UV astronomy
- balloon-based X-ray astronomy
- balloon-based γ-ray astronomy
- balloon-borne astronomy
- balloon-borne instrument
- balloon-borne IR telescope
- balloon-borne photometer
- balloon-borne spectroscope
- balloon-borne telescope
- balloon-borne UV telescope
- balloon-borne X-ray telescope
- balloon-borne γ-ray telescope
- balloon dilatation
- balloon explosion
- balloon flower
- ballooning instability
- ballooning mode
- balloon logging