Campbell's theorem

例句：

1. 1. The mathematical model ofthe phenomenon is described by Campbell'stheorem.
   该现象的数学模型由坎贝尔定理描述。
2. 2. The discovery of thistheorem has revolutionized the field ofphysics.
   这一定理的发现已经彻底改变了物理学领域。
3. 3. The theorem wasproposed by a renowned mathematiciannamed Campbell.
   这个定理是由一位著名的数学家坎贝尔提出的。