英语词汇“pure number”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	pure number
释义	pure number 基本例句纯数 The specific gravity of a material is the ratio of its density to that of water and is therefore apure number.物质的比重指的是物质的密度与水的密度的比值，所以是纯数。
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