And the concept of the extension probability of random event element was also given on the basis of the study of the extension of random event element.

在对随机事元可拓性研究的基础上给出了随机事元的拓展概率的概念。

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And the concept of the extension probability of random event element was also given on the basis of the study of the extension of random event element.

在对随机事元可拓性研究的基础上给出了随机事元的拓展概率的概念。

youdao