... 非相关随机变数 uncorrelated random variable 相联二元随机变数associated binary random variables 随机变数数列 series of random variables ...
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?相伴二元随机变量
covariance of two random variables : 两个随机变量(的)协方差 associated binary random variables : 相伴二元随机变量 correlation between two random variables : 两个随机变量的相关 ..