(physics) an abrupt transition of an electron or atom or molecule from one quantum state to another with the emission or absorption of a quantum
a sudden large increase or advance;
"this may not insure success but it will represent a quantum leap from last summer"
例句
用作名词 (n.)
This process is called a quantum jump. 这种过程叫做量子跃迁。
In the landscape picture, the disappearance of a flux line or other change of topology is a quantum jump over a mountain ridge into a lower valley. 在地景图像里，一条通量线的消失或其他拓扑的改变，就代表一个翻越山脊进入低谷的量子跃迁。
This may not insure success but it will represent a quantum leap from last summer. 这虽不能确保成功，但它确是去年夏天以来取得的巨大突破。
美
