bivariate continuous random variable 二维连续型随机变量

random variable of continuous type 连续型随机变量

continuous random variable sequence 连续型随机序列

continuous random variable 连续性随机变量

continuous type random variable 连续型随机变量

variance of continuous random variable 连续型随机变量方差

one-dimensional continuous random variable 一维连续型随机变量

two-dimensional continuous random variable 二维连续型随机变量