最优: optimal; optimum二: two叉: part so as to form a fork; f ...树: tree二叉树: b tree; b-tree; binary tree遍历二叉树: traversing binary tree对称二叉树: symmetric binary tree二叉树遍历: traversal of binary tree二叉树查找: binary tree search二叉树分类: binary tree sort二叉树检索: binary tree search二叉树结构: binary tree structure二叉树数据: binary tree data二叉树搜寻: binary tree search二叉树中的: link in binary tree空二叉树: empty binary tree扩充二叉树: extended binny tree满二叉树: full binary tree平衡二叉树: balanced binary tree; banlanced binary tree; best wishes, alanced binary tree树与二叉树: arbre et arbre à deux branches完全二叉树: complete binary tree线索二叉树: threaded binary tree有向二叉树: oriented binary tree二叉树查找 二叉树检索: binarytreesearch等价的二叉树: equivalent of binary tree