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		任意斜裂纹转子的耦合振动研究 1)
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			STUDY ON COUPLED VIBRATIONS OF ROTOR WITH AN ARBITRARY SLANT CRACK 1)
			 
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		 图2. 三类不同裂纹的交叉耦合刚度参数($k_{ij}$, $i, j = 1,2,\cdots,6)$  | 
	
Fig. 2. The cross-coupled stiffness coefficients $k_{ij}$, $i, j = 1,2,\cdots,6$ of three different types of crack  | 
	
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