“分子式”造句
水的化学
分子式是H2O.
The chemical formula for water is H 2 O.
测得的准确分子量与具体的
分子式完全吻合.
The precise molecular weight that is measured can be uniquely associated with a specific moleculer formular.
仅从
分子式, 我们就能推断分子中的 “ 不饱和度 ”.
From the molecular formula alone , we can deduce the " degrees of unsaturation " in the molecule.