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		水下多级微结构液气界面的稳定性和可恢复性研究 1)
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			STABILITY AND RECOVERABILITY OF LIQUID-GAS INTERFACES ON SUBMERGED HIERARCHICALLY STRUCTURED SURFACES 1)
			 
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		 图7. (a)和(b)分别显示了接触角$\theta$和下陷深度 $h$随$\Delta p$的变化关系  | 
	
Fig. 7. The variations of contact angle $\theta$ and sagging depth $h$ versus overpressure $\Delta p$ are shown in (a) and (b), respectively  | 
	
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