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应用模糊数学分析方法，用实验数据经验分布概率密度函数与颤振信号理论分布概率密度函数的隶属度来评判切削系统的稳定性，对稳定性判别系统进行了试验考证。
The stability of the cutting system is judged by the membership degree of the probability density function of the empirical distribution probability density function of the experimental data and the theoretical distribution of the flutter signal by using the method of fuzzy mathematics analysis. The stability discrimination system is tested and verified.