Some qualities of characteristic functions are discussed, and study on random variables is studied.

讨论了特征函数的一些性质，并对随机变量的研究作了一定的探讨。

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Some qualities of characteristic functions are discussed, and study on random variables is studied.

讨论了特征函数的一些性质，并对随机变量的研究作了一定的探讨。

youdao