| 单词 | θ116304 |
| 释义 | society > computing and information technology > hardware > peripherals > [noun] > scanner (4) drum scanner1928 optical character reader1962 a device used for optical character recognition. optical scanner1962 = optical character reader n. wand1978 A hand-held electronic device which can be passed over a bar code to read the data it represents and convert them into a computer-compatible form. |
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