The rotational and vibrational spectrum of diatomic molecules .

双原子分子的转动光谱和振动光谱。

Laser cooling of a diatomic molecule .

激光冷却法用于冷却分子。

A diatomic molecule in which the nuclei have opposite spin directions .

二价分子：两个原子核的自旋方向反平行的。

Partition function of diatomic molecule ideal gas .

双原子分子理想气体的配分函数。

Pure rotational spectra of diatomic molecules .

双原子分子纯转动光谱。