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		三种典型轴向运动结构的振动特性对比 1)
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			COMPARISON OF VIBRATION CHARACTERISTICS OF THREE TYPICAL AXIALLY MOVING STRUCTURES 1)
			 
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		 图 12. 窄板和梁的长宽比和刚度对一阶固有频率的相对误差的影响  | 
	
Fig. 12. The influence of the aspect ratio and stiffness of the panel and the beam on the relative error of first order natural frequency  | 
	
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