英语词汇relative formula mass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	relative formula mass
释义	relative formula mass 简明释义相对分子质量：一种表示分子中各原子质量之和的数值，通常用于计算化学反应中物质的量。网络释义 1 ?相对式量 ...对原子质量(以碳12原子的质量的1/12约1.66×10-27kg作为标准，其他原子的质量跟它比较所得的值) relative formula mass 相对式量 relative isotopic mass 相对同位素质量 .. 2 ?化学式量 ... 相对分子质量relative molecular mass(abbr. M r) 化学式量relative formula mass 物质的量amount of substance ... 短语 1 relative atomic formula mass 相对原子质量 2 relative e formula mass 相对式量双语例句 1 In the first class, we reviewed last class 'content which were relative atomic mass and relative formula mass. 第一节课首先回顾了一下相对原子质量，相对分子质量的定义及计算方法。
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