英语词汇“aperture card”是什么意思，“aperture card”的读音、用法及例句翻译-烛光网

词汇	aperture card
释义	aperture cardn.（名词） A punched card on which frames of a microfilmed document are mounted.窗孔卡片，穿孔卡片：镶有缩微胶片的穿孔卡片
随便看	conspecific conspecifics conspectus conspectuses conspicuities conspicuity conspicuity tape conspicuous conspicuous conspicuous consumption conspiracies conspiracist conspiracy conspiracy theory conspiration conspirations conspirator conspiratorial conspiratorialist conspirators conspire conspired conspires teethers teethes

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