英语词汇“expansion card”是什么意思，“expansion card”的读音、用法及例句翻译-乐坝网

词汇	expansion card
释义	expansion cardn.（名词） A circuit board that can be installed to enhance a computer's capabilities, as by increasing memory or improving graphics. Also called expansion board 延伸卡，扩充卡：一种安装后可以提高计算机效能的回路板，其方式系藉由增加内存或是改善回路制图法也作 expansion board
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