relative molecular mass
柯林斯词典
1. N the sum of all the relative atomic masses of the atoms in a molecule; the ratio of the average mass per molecule of a specified isotopic composition of a substance to one-twelfth the mass of an atom of carbon-12 分子量 ( symbol: M abbr: r.m.m.Former name molecular weight)
返回 relative molecular mass
relative molecular mass
剑桥词典
- the total of the relative atomic masses of the atoms in a particular molecule
相对分子质量，分子量（某种特定分子中所有原子的相对原子质量的总和） 返回 relative molecular mass