upper bound theorem

例句：

1. 1. Theupper bound theorem states that the maximumvalue of a function is always less thanor equal to its minimum value.
   上限定理表明，函数的最大值总是小于或等于其最小值。
2. 2. In linear programming,the upper bound theorem helps us determinethe feasible region for our optimization problem.
   在线性规划中，上限定理帮助我们确定我们优化问题的可行区域。
3. 3. Theupper bound theorem iscrucial in proving the existence anduniqueness of solutions to differential equations.
   上限定理对于证明微分方程解的存在性和唯一性至关重要。