adj.含三原子的
Triatomic and larger molecules have more complex energy-level diagrams. 三原子分子和更大的分子的能级图比较复杂。
The solution to the boundary value problem for a 2-dim photodissociation model of a linear triatomic molecule was studied. 研究线性三原子分子二维光离解模型边值问题的解。