upper bounding method的用法和样例：
例句
- A general subset selection method, the branch and bound technique, is applied to a control structure selection problem.
一种通用的子集合选择方法一分支定界法被应用于控制结构选择问题。 - The branch delimitation law may ask the pure integer or the linear programming question, the solution method is composed by the branching step and bounding step.
摘要分支定界法可求纯整数或混合整数线性规划问题，求解方法由分支和定界组成。
