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
) E2 M5 i3 c+ w2 L- u  V0 j    ask patch 0 0 [
" r/ p3 B3 @. [3 q2 e6 \      create-initial-turtles num-random-min   "random-min"   violet
      create-initial-turtles num-random       "random"       brown
      create-initial-turtles num-random-away  "random-away"  pink
% Y2 U9 D9 T2 e' s      create-initial-turtles num-open-min     "open-min"     blue
( C# N$ Y5 [! C* o/ t      create-initial-turtles num-open-min-max "open-min-max" orange ]
  set-common-variables
end
- ^. _2 \' ]; J  C: \* n
to create-initial-turtles [n turtle-rule turtle-color]
  ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
  [ sprout 1
; u* W- m+ Q; C( [; J    [ set rule turtle-rule
      set color turtle-color ] ]
end

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