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
$ t1 s( s8 \( I) J/ I" Z7 n0 \    ask patch 0 0 [
$ K- e0 ]2 |3 Y3 M' J1 K" _- x0 C      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
      create-initial-turtles num-open-min     "open-min"     blue
      create-initial-turtles num-open-min-max "open-min-max" orange ]
  set-common-variables
end

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
  O5 \* r/ B& p, _; Q5 x6 @    [ set rule turtle-rule
      set color turtle-color ] ]
# X- V% j; Y- J* P+ T7 _end
7 ^$ k7 |% L6 L( {+ O3 t$ D/ N3 p* d* H
4 h2 [$ w, q" {) ]$ S2 X4 \% t[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ]