proton hole state

例句：

1. 1.The proton hole state is a fundamental concept in quantum mechanics.
   质子孔态是量子力学中的一个基本概念。
2. 2.The study of the proton hole state has led to important discoveries in the field of nuclear physics.
   研究质子孔态在核物理学领域取得了重要的发现。
3. 3. The proton hole state plays a crucial role in the formation and stability of matter.
   质子孔态在物质的形成和稳定中起着至关重要的作用。