随机变量序列的独立性与相依性是概率论中很重要的概念。为了判断基于二元树的随机序列的独立性，我们对基于二元树的随机序列的相依阶数进行了估计。我们给出了它的算法分析和具体实现。-Random variable sequence of independence and dependence is very important concept in probability theory, and In order to judge the independence based on two elemen