| 单词 | optical scanning |
| 释义 | > as lemmasoptical scanning optical scanning n. scanning in which the light reflected or transmitted by the area scanned is detected, esp. as used in optical character recognition. ΘΚΠ the world > physical sensation > sight and vision > optical skills and techniques > [noun] > optical scanning scanning1927 scan1937 optical scanning1953 optical character recognition1958 OCR1966 1953 Science 23 Oct. 653/1 A technique involving optical scanning..makes the measurement easier and..more accurate. 1971 Computers & Humanities 5 282 Optical scanning of printed texts (avoiding the need for keypunching the material). 1988 A. J. B. Anderson Interpreting Data (1990) (BNC) 154 Optical scanning devices have become increasingly used for data capture..via some sort of bar coding system. < as lemmas |
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