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		轻敲模式下 AFM 动力学模型及能量耗散机理研究$^{\bf 1)}$
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			STUDY ON A DYNAMICS MODEL OF TAPPING MODE AFM AND ENERGY DISSIPATION MECHANISM$^{\bf 1)}$
			 
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		 图2. 探针-样品系统的多自由度简化模型  | 
	
Fig.2. Simplified multi-degree-of-freedom model for probe-sample system  | 
	
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