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finish/clear/filename,bullet/prep7csys，0!建立射击靶面15m*15m!设定子弹数目n=300!射击*dim,r,array,n,*vfill,r,rand,0.5,3*dim,locx,array,n,*dim,locy,array,n,*dim,locz,array,n,*do,i,2,n,1locx(i)=rand(-20+r(i),20-r(i))locy(i)=rand(-20+r(i),20-r(i))locz(i)=rand(-20+r(i),20-r(i))WPAVE,locx(i),locy(i),locz(i)sph4,,,r(i)*enddo