在这个方程中，能量以狄拉克为单位表示。

In this equation, the energy is expressed in units of ___Dirac.

在量子力学中，狄拉克函数常被用来描述粒子的瞬时相互作用。

In quantum mechanics, the ___Dirac function is often used to describe instantaneous particle interactions.

狄拉克因其在量子力学中的开创性工作获得了诺贝尔物理学奖。

___Dirac won the Nobel Prize in Physics for his groundbreaking work in quantum mechanics.