英语词汇“napier's bones”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	napier's bones
释义	WordReference Random House Unabridged Dictionary of American English © 2024 Na′pier's bones′, [Math.] Mathematicsa form of multiplication table originally marked on sticks of bone or ivory that could be rearranged to carry out the operations of multiplication or division. Also called Na′pier's rods′. after their developer, J. Napier 1650–60 Collins Concise English Dictionary © HarperCollins Publishers:: Napier's bones pl n a set of graduated rods formerly used for multiplication and division Etymology: 17th Century: based on a method invented by John Napier
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更新时间：2025/7/23 15:22:05