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用多元统计分析方法对大兴安岭林区的林火灾变的有关观测数据进行综合分析，提出了影响林火灾变生态阈值数学模拟的潜在因子的数学模型，并对该模型作出了一些有益的讨论．
The multivariate statistical analysis method is used to analyze the observed data of forest fires in the Greater Xing’an Mountains, and the mathematical model of potential factors that affect the threshold mathematical model of forest fire ecology is put forward. Some useful discussions are made on the model.