根据Kurse版数据结构书改成的电子版课件。此章包括二叉树的概念，结构，遍历，线索二叉树，二叉搜索树，平衡二叉树，splay树-According to the data structure Kurse version of the book into electronic version of the courseware. This chapter includes the concept of binary tree structure, traversal, threaded binar