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[2]Lian Lingjun,Wang Wei,Xu Wei,et al.Numerical simulation of 3-D turbulent flows of plug discharge tunnel[J].Journal of Sichuan University:Engineering Science Edition,2011,43(3):1-6. [3]Liu Guiqiu.The research on the basic mechanical behavior of masonry structure[D].Changsha:Hunan University,2005. [4] Hamdani T M, Alimi A M, Karray F. Distributed genetic algorithm with bi-coded chromosomes and a new evaluation function for features selection[C]//Proceeding of the IEEE Congress on EvolutionaryComputation .CanadaIEEE,2006:581-588. [5]Y!2m.Ny)npYweo6RYeHh:-NV 88105607.3[P].1989-07-26. [6] WSN4l)Ryf[xvzb.SL237 1999 W]Ջĉ z[S].SN:-NV4l)R4l5uQHr>y,1999. 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