molecule ratio

• 分子比

molecule ratio的用法和样例：

例句

1. A molecule is a thousand times bigger than an atom of hydrogen.
   一个分子比一个氢原子大一千倍。
2. A mathematic model about the relationship between liquidus temperature and cryolite ratio was simulated.
   根据分析结果拟合出该体系初晶温度与分子比数学模型。