non-relativistic limit

例句：

1. 1. The speed oflight is a fundamental constant in the theory of relativity.
   光速是相对论中的一个基本常数。
2. 2. The scientists used this limit to calculate the distance between the stars.
   科学家们利用这个极限来计算星星之间的距离。
3. 3.In quantum mechanics, the non-relativistic limit is crucial for understanding the behavior of particles.
   在量子力学中，非相对论极限对于理解粒子的行为至关重要。