求解释命令流

/PREP7
ET,1,SOLID5,3
mp,DENS,1,7500
emunit,epzro,8.85E-12
MP,PERX,1,804.6
MP,PERX,1,659.7
TB,PIEZ,1
TBDATA,16,10.5
TBDATA,14,10.5
TBDATA,3,-4.1
TBDATA,6,-4.1
TBDATA,9,14.1
TB,ANEL,1
TBDATA,1,13.2E10,7.1E10,7.3E10
TBDATA,7,13.2E10,7.3E10
TBDATA,12,11.5E10
TBDATA,16,3.0E10
TBDATA,19,2.6E10
TBDATA,21,2.6E10
SAVE
CYLIND,0.03,0.006,0,0.008,0,90
VMESH,_Y1
SAVE
NSEL,S,LOC,X,0
NPLOT
DSYM,SYMM.X,0
NSEL,S,LOC,Y,0
NPLOT
DSYM,SYMM.Y,0
ALLSEL,ALL
EPLOT
SAVE
ASEL,S,,,2
NSLA,S,1
NPLOT
CP,1,VOLT,ALL
*get,n_top,node,0,num,min
APLOT
EPLOT
ALLSEL,ALL
ASEL,S,,,
NSLA,S,1
NPLOT
CP,2,VOLT,ALL
*get,n_bot,node,0,num,min
ALLSEL,ALL
EPLOT
SAVE
FINISH
/SOL
ANTYPE,2
MODOPT,LANB,10
EQSLV,SPAR
MXPAND,10,,,0
LUMPM,0
PSTRES,0
MODOPT,LANB,10,32000,36000,,OFF
SOLVE
FINISH
/POST1
SET,LIST
SET,FIRST
!*
PLDI,1,
ANMODE,10,0.5E-01,,0
FINISH
/SOL
ANTYPE,2
MSAVE,0
MODOPT,LANB,10
EQSLV,SPAR
MXPAND,10,,,0
LUMPM,0
PSTRES,0
MODOPT,LANB,10,32000,36000,,OFF
D,n_top,VOLT,100
D,n_bot,VOLT,0
SOLVE
/POST1
SET,LIST
SET,FIRST
PLDI,1,
ANMODE,10,0.5E-0.1,,0
/SOL
ANTYPE,3
HROPT,FULL
HROUT,ON
LUMPM,0
EQSLV,FRONT,0,
PSTRES,0
ALPHAD,0,
BETAD,0,
DMPRAT,0.003
HARFRQ,28000,100000
NSUBST,50,
KBC,1
/STATUS,SOLU
SOLVE
FINISH
/POST26
FILE,'sang','rst','.'
/UI,COLL,1
NUMVAR,200
SOLU,191,NCMIT
STORE,MERGE
PLCPLX,0
PRCPLX,1
FILLDATA,191,,,,1,1
REALVAR,191,191
!*
RFORCE,2,122,AMPS,,AMPS_2
STORE,MERGE
FILLDATA,192,,,,0,0
FILLDATA,193,,,,1,0
FILLDATA,194,,,,-1,0
FILLDATA,195,NEST
!
!Name:Y
!ID:3
!Function:-4*2*3.14*{FREQ}*{AMPS_2}*1000*sqrt(-1)
STORE,MERGE
XVAR,1
PLVAR,3,
PLCPLX,3
PRCPLX,0
XVAR,1
PLVAR,3,
FINISH
!/EXIT,ALL
请问这里那部分是设计圆柱体的？