balanced binary search tree

基本解釋

Add and Remove operations are typically expensive since Binary Search Trees require that a tree be balanced.
添加和刪除操作的開銷是很大的，只主要是因?yàn)閷Π氩檎覙涞钠胶庑运鶝Q定的。
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The highly balanced binary search tree is established in order to improve efficiency of the binary search tree and to shorten the average search tree.
建立高度平衡的二叉搜索樹是為了提高二叉搜索樹的效率，減少樹的平均搜索長度。