equivalent source theorem

例句：

1. 1.The equivalence source theorem is a fundamental principle in the field of quantum mechanics.
   等效源定理是量子力学领域的一个基本原理。
2. 2. The equivalence source theorem has been used to explain the behavior of many complex systems.
   等效源定理被用来解释许多复杂系统的运行机制。
3. 3.The equivalence source theorem provides a powerful tool for analyzing the properties of materials under different conditions.
   等效源定理为分析材料在不同条件下的性质提供了一种强有力的工具。