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		球模仪测试冻结砂长期抗剪强度的双球模型解答及其试验研究
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			The solution of the double-sphere model and experimental research of the long-term shear strength of frozen sand based on spherical template indenter test
			 
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		 图5. 弹性力学理论模型  | 
	
Fig.5. Theoretical model of elasticity  | 
	
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