“ninety-column card”的概念、定义、翻译、参考文献-科学参考

单词	ninety-column card
释义	ninety-column card [`nīn·tē`käl·ǝm `kärd] ^{COMPUTER SCIENCE} A card, punched or to be punched, divided in half horizontally, each half containing 45 columns, and each column containing six punch positions.
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