5-1New;园柱体外环绕放射状网格Generate zone radcylinder size 4 25 6 14 ratio 1 1 1 1.2 &p0=(0,0,0) p1=(50,0,0) p2=(0,100,0) p3=(0,0,50) &dimension 2,2,2 ;平行六面体外环绕放射状网格Generate zone radtunnel size 4 25 4 14 ratio 1 1 1 1.2 &p0=(0,0,0) p1=(0,0,-50) p2=(0,100,0) p3=(50,0,0) &dimension 1.8,2,2 group 1 fill group tunnel;镜像网格Generate zone reflect normal (-1,0,0) origin=(0,0,0) range group 1Plot set rotation 20 0 30Plot set center autoPlot set magnificatio 1.5Plot add surface yell