在图的深度优先遍历(DFS)中，若图G是一个有向无环图(DAG)，使用StatusFirstAdiVex和StatusNextAdjVex函数进行遍历。以下哪项描述是正确的？

在神经语言程序学中，限制性框框的概念主要涉及说话者对自身能力和外部环境的认知。以下哪种说法最能体现限制性框框的影响？

在二叉树中，如果一个节点没有子节点，则称该节点为叶子节点。以下哪个二叉树的叶子节点个数最多？

An editor is reviewing a research paper and notices that the author uses the term 'significant' repeatedly when describing their results. The editor wants to ensure that the use of this term is accurate and meaningful within the context of the study. Which of the following aspects should the editor prioritize when evaluating the author's use of the word 'significant'?

交换匹配的主要目的是什么？