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在量子分子动力学模型计算多重碎裂基础上，应用阶乘矩方法分析了多重碎裂．对（１９７）Ａｎ（２００ＭｅＶ／ｕ）＋（１９７）Ａｎ碰撞系统进行了计算．发现多重分布有阵发混沌存在．并对临界现象做了初步讨论．
Based on the calculation of multiple fragmentation by quantum molecular dynamics model, multiple fragmentation was analyzed by factorial moment method. The (197) An (200MeV / u) + (197) An collision system was calculated. Found that there are multiple distribution of chaotic existence. A preliminary discussion of the critical phenomenon has also been made.