英语词汇Napier's bones怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	Napier's bones
释义	Napier's bones plural noun Mathematics slips of ivory or other material divided into sections marked with digits, devised by John Napier and formerly used to facilitate multiplication and division 【数】纳皮尔乘除器。
随便看	Actium, Battle of activate activated carbon activated sludge activation activation analysis activation energy activator active active birth active carbon active citizen active citizenship active duty active immunity active layer active list actively active matrix active service active site active transport activewear activism activist

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