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介绍了采用多段集中质量模型计算轴系扭振特性的两种方法：传递矩阵法及特征向量法。并利用上述两方法对某电厂１ 号机轴系的扭振特性进行了计算分析。
Two methods for calculating the torsional vibration characteristics of a shaft system using multistage concentrated mass models are introduced: transfer matrix method and eigenvector method. The torsional vibration characteristics of the No. 1 shafting system of a power plant were calculated and analyzed by the above two methods.