Saha's equation

例句：

1. 1. In the field of quantum mechanics, Saha's equation is a fundamental concept.
   在量子力学领域，萨哈方程是基本概念。
2. 2. The discovery of this equation has revolutionized our understanding of the universe.
   这一方程的发现已经彻底改变了我们对宇宙的理解。
3. 3. The equation was derived from the equations of motion and thermodynamics.
   这个方程是从运动学和热力学的方程推导出来的。