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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3. 不同方法下衰减系数和频率随着黏弹性系数变化情况的比较  | 
	
Fig.3. Comparison of attenuation coefficient and frequency with viscoelastic coefficient under different methods  | 
	
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