基于优化交错网格有限差分法的VSP逆时偏移  | 
	
| 刘炜, 王彦春, 毕臣臣, 徐仲博 | 
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			 Reverse time migration of VSP data based on the optimal staggered-grid finite-difference method  | 
	
| LIU Wei, WANG Yan-Chun, BI Chen-Chen, XU Zhong-Bo | 
| 图6 有效边界存储策略简易示意 | 
	
| Fig.6 Simple sketch of effective boundary storage strategy | 
	
			 
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