ASAP宏语言中，#代表什么意思？

哪位朋友可以帮忙指点一下：ASAP宏语言中，#后面加数字（比如#0）是什么意思？如下面程序中黄色背景部分语言。谢谢~

SYSTEM NEW
RESET

$IO LIBRARY LCD !! ASSIGNS LCD.LIB AS THE LIBRARY FILE

ARROWS OFF
UNITS MM

WAVELENGTHS 450 550 633 NM

MEDIA
1.5 1.5 1.5 'GLASS'

COATING PROPERTIES
!! wavelength1 R T wavelength2 R T wavelength3 R T 'name'
1 0  1 0  1 0  'REFLECT'
0 1  0 1  0 1  'TRANSMIT'
0 1  1 0  1 0  'SPLITTER1'
0 0  1 0  0 1  'SPLITTER2'
1 0  0 1  0 1  'SPLITTER3'
0 1  0 1  1 0  'SPLITTER4'

!! GEOMETRY CONSTRUCTION

DEL=10  !! DISTANCE BETWEEN THE LCD AND LENSES

!!___________________________________________________
!! PARABOLIC REFLECTOR

RAD=12.5  !! RADIUS OF CURVATURE OF PARABOLIC REFLECTOR
XAPE=60   !! FULL APERTURE IN X-DIRECTION
YAPE=60   !! FULL APERTURE IN Y-DIRECTION
ZPOS=-12.5/2-50  !! Z-AXIS POSITION OF THE REFLECTOR
YPOS=0           !! Y-AXIS POSITION OF THE REFLECTOR

SURFACE
  OPTICAL Z 0 (RAD) -1 ELLIPSE (XAPE/2) (YAPE/2)
OBJECT 'LAMP_REFLECTOR'
  INTERFACE COAT REFLECT AIR AIR
  SHIFT 0 (YPOS) (ZPOS)

!!___________________________________________________
!! LENS ARRAY
!! ASSUME FIVE BY FIVE ARRAY OF IDEAL LENSES

LXAPE=10  !! LENSLET X-DIRECTION FULL APERTURE
LYAPE=10  !! LENSLET X-DIRECTION FULL APERTURE
FLA1=50   !! LENSLET FOCAL LENGTH
ZPOS=0
YPOS=0

!! USE THE MACRO LANGUAGE TO CREATE 25 IDEAL LENSLETS.
!! CREATE the lenses as individual objects within a
!! nested $DO loop.  The only way to nest $DO loops in
!! ASAP is to place the inner loop in a macro, and call
!! that macro from the outer loop.

LENSROW {
$DO 1 5
   { LENSES
       IDEAL Z 0 (LXAPE/2)
         1 0 -1/(FLA1) 1
     OBJECT 'LENSLET.?.#1'
       SHIFT (LXAPE*(?-1)) (LYAPE*(#1-1)) 0
     RETURN }
}

$DO 1 5
  $LENSROW ?

GROUP -25
  SHIFT (-2*LXAPE) (-2*LYAPE+YPOS) (ZPOS)

3344520	2013-12-05 15:29
这里好像是命名吧，０就是０号物体，可能也许大概吧．．．．．．．．．．

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