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		黏弹性阻尼作用下轴向运动Timoshenko梁振动特性的研究 1)
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			VIBRATION CHARACTERISTICS OF AXIALLY MOVING TIMOSHENKO BEAM UNDER VISCOELASTIC DAMPING 1)
			 
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		 图2. 不同黏弹性系数下衰减系数和频率随着轴速的变化情况  | 
	
Fig.2. Attenuation coefficient and frequency with different viscoelastic coefficients as a function of axial speed  | 
	
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