transitions例句
Both ionization and excitation lead to eletronic
transitions that may be the emission of light.
电离和激发都将导致可能伴随有光发射的电子跃迁.
Forbidden
transitions are those for which dipole radiative
transitions are not allowed by the selection rules.
禁戒跃迁指的是选择定则所不容许的偶极辐射跃迁.
The smallest energy
transitions are between rotational levels; the next smallest between vibrational levels.
在转动能级之间的能量跃迁最小, 其次是振动能级之间的跃迁.