本文介绍了用阶乘矩能够消除统计起伏，证明引入累积变量后可使粒子数的分布变得均匀；给出了消除粒子间关联效应的方。
The method of removing statistics fluctuation with factorial moment was introduce and the cumulant variable able to even for distribution of multiparticle production was proved.
在一般情况下，只有在引入累积变量后，纵向阶乘矩才与横向阶乘矩相等。
It is shown that the horizontal and vertical factorial moments are equivalent only when they are used in combination with the cumulant variables.
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