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		一类 Duffing 型系统的不动点混沌和Fold/Fold 簇发现象及机理分析 1)
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			FIXED POINT CHAOS AND FOLD/FOLD BURSTING OF A CLASS OF DUFFING SYSTEMS AND THE MECHANISM ANALYSIS 1)
			 
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		 图 7. Fold/Fold簇发振荡的叠加图、相图和时间历程图  | 
	
Fig. 7. Composition diagram, phase diagram and time history diagram of Fold/Fold bursting  | 
	
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