在销售量为随机变量的时候，本文利用标准差系数来讨论销售量、税息前收益和税后收益的波动程度之间的联系。

This thesis is to analyze the coefficient of standard deviation of the earnings before interest and tax and the earnings per share.

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在销售量为随机变量的时候，本文利用标准差系数来讨论销售量、税息前收益和税后收益的波动程度之间的联系。

This thesis is to analyze the coefficient of standard deviation of the earnings before interest and tax and the earnings per share.

youdao