quantum jump

quantum-jump的词性：
n.（名词）

1. Physics Abrupt change from one energy level to another, especially such a change in the orbit of an electron with the loss or gain of a quantum of energy.
【物理学】 量子跃迁：从一能量级到另一能量级的突然变化，尤指在力场轨道中，电子失去或获得能量量子时的变化

2. A quantum leap.
次元性的跃迁