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		汽车行驶诱发地表振动的解析研究 1)
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			ANALYTICAL STUDY ON GROUND VIBRATION INDUCED BY MOVING VEHICLE 1)
			 
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		 图 4. 轮胎充气压力对 $\bar {a}$,$\bar {q}_{\rm d}$,$\bar {f}_{\rm d}$ 的影响  | 
	
Fig. 4. Curves of $\bar {a}$,$\bar {q}_{\rm d}$,$\bar {f}_{\rm d} $ with tire pressure  | 
	
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