语法看不懂，能帮忙解释一下吗？

etamina

下面的语句中ask patch和create-initial-turtles 后面接的[ ]中的语句是什么含义，其中非原语的都是定义的全局或者外部变量。语法有点奇怪，谁能帮我解释一下吗？多谢
to make-turtles
    ask patch 0 0 [
      create-initial-turtles num-random-min   "random-min"   violet
( _$ C7 g5 R; [: h+ ]- M      create-initial-turtles num-random       "random"       brown
      create-initial-turtles num-random-away  "random-away"  pink
0 v! J7 y% Z1 h      create-initial-turtles num-open-min     "open-min"     blue
* ~( D& J% ^; m) k2 p      create-initial-turtles num-open-min-max "open-min-max" orange ]
  set-common-variables
6 A8 M0 M: }. Jend

( y/ f& i2 y! F4 g( P0 rto create-initial-turtles [n turtle-rule turtle-color]
  ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
  [ sprout 1
9 R' T. G- {; v+ m. i6 w& E. ]* o, b    [ set rule turtle-rule
      set color turtle-color ] ]
% g8 D; M7 {! E8 ]% zend

[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ]