英语词汇“aperture card”的读音、翻译、释义、用法及例句-语文网

词汇	aperture card
释义	aperture card 窗孔卡片一种标准尺寸的可加工卡片，微缩胶片帧可以插入该卡中。具有一个或多个长方形窗孔的卡片，每一窗孔上安装一帧微缩胶片。
随便看	leash leasing least least common multiple Least Frequently Used Least Recently Used marked marked-check markedly marked price marker marker pen market market marketability marketability marketable marketable securities market amount market basket market bill market borrowing market capitalization market claim market corrective

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