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	scatterbrain scattered scattergood scattergun scattering scattering scattering layer scatterings scatter pin scatter rug scatters scattershot scatter-site scattier scattiest scatting scatty scatty scaup scavenge scavenged scavenger scavenger scavengered scavenger hunt

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