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树形图是图论中结构最简单但又十分重要的图 .在自然科学和社会科学的许多领域都有广泛的应用 .如乒乓球单打比赛抽签后 ,可用树形图来表示相遇情况 ;学校、机关的组织结构可用树形图表示 ;计算机算法流程可用树形图表示运行和中断的情况等 .高中数学新教材 (试验修订本 .必修
The tree diagram is the simplest but most important diagram in graph theory. It has a wide range of applications in many areas of natural sciences and social sciences. For example, after a table tennis singles game is drawn by lottery, a tree map can be used to represent the meeting situation; The organizational structure of the organization can be represented by a tree diagram; the computer algorithm flow can be used to indicate the status of operations and interruptions, etc.. High school mathematics textbook (trial revision. Compulsory