理解二叉树特别是完全二叉树的性质，掌握二叉树的存储结构（二叉链表）；熟练掌握二叉树的常用操作算法（初始化、插入结点、删除结点、遍历等）；初步掌握二叉树的应用。-Binary tree in particular, to understand fully the nature of binary tree, binary tree master storage structure (List Binary) proficiency in commonly used binary tree alg