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单词 microfilm readers
释义

microfilm /mīˈkrə-film/

noun

A photographic film for preserving a microscopic record of a document, which can be enlarged in projection

transitive verb

To record on microfilm

ORIGIN: micro- (1f)

microfilm reader noun

An optical device that magnifies each page of microfilm and presents the image in an enlarged form on a screen to be read by the user

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更新时间:2024/12/23 9:42:37