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		复合柔性结构全局模态函数提取与状态空间模型构建
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			EXTRACTION OF GLOBAL MODE FUNCTIONS AND CONSTRUCTION OF STATE SPACE MODEL FOR A COMPOSITE FLEXIBLE STRUCTURE
			 
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		 图11. 解析方法得到的结构前八阶固有频率和振型  | 
	
Fig.11. The first eight natural frequencies and mode shapes of the structure from the analytic method  | 
	
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