基于欧几里得距离的聚类分析，用谱方法计算流体力学一些流动现象的整体稳定性,旋转机械二维全息谱计算的实用例程。- Clustering analysis based on Euclidean distance, Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon, Rotating Machinery dimensional hologram of practical spectrum calculation routines.