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词汇 scanner
词源

scanner n.

1550s, "person who examines critically," agent noun from scan (v.). From 1927 as a type of mechanical device, at first often in television technology, by mid-20c. used of radar and radiation imaging devices; later of computer digital readers.

updated on January 16, 2022

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更新时间:2025/5/1 18:22:27