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

Noun: Napier's bones

A set of graduated rods formerly used to do multiplication and division by a method invented by John Napier
- Napier's rods

Type of: calculating machine, calculator

Encyclopedia: Napier's bones

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