决策树是用二叉树形图来表示处理逻辑的一种工具。可以直观、清晰地表达加工的逻辑要求。特别适合于判断因素比较少、逻辑组合关系不复杂的情况。 -Decision tree is a tree-shaped diagram used to indicate the processing logic as a tool. Can be intuitive, clear logic processing requirements. Particularly suited to determine th