Konig's theorem

例句：

1. 1. The Konig's theorem states that the sum of the roots of a polynomial is always zero.
   康尼格定理表明，多项式的根之和总是零。
2. 2. The Konig's theorem has been used to prove many important mathematical theorems.
   康尼格定理已被用来证明了许多重要的数学定理。
3. 3. The Konig's theorem is widely used in physics and engineering to analyze the behavior of systemsunder different conditions.
   康尼格定理在物理学和工程学中被广泛使用，用于分析系统在不同条件下的行为。