理解随机变量的数学期望与方差的定义和性质的翻译：Understanding mathematical expectation and variance of random variable definitions and properties 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Understand the mathematical expectation of random variable with the variance of the definition and nature of

Understanding mathematical expectation and variance of random variable definitions and properties

Understands the random variable the mathematic expectation and the variance definition and the nature

Understanding the mathematical expectation random variable definition and nature of the difference between the parties

Understanding mathematical expectation and variance of random variable definitions and properties