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
3 \" s" }5 o! Y! h" r. Ato make-turtles
    ask patch 0 0 [
$ [8 R1 r) C  J; a6 p& o      create-initial-turtles num-random-min   "random-min"   violet
4 a8 J7 d! ~' r      create-initial-turtles num-random       "random"       brown
! }2 ~9 n2 O- V0 [      create-initial-turtles num-random-away  "random-away"  pink
9 ?2 w4 {  t% c$ V% \      create-initial-turtles num-open-min     "open-min"     blue
      create-initial-turtles num-open-min-max "open-min-max" orange ]
+ _. j6 {5 t* O- J6 g4 Q+ _) F1 W  set-common-variables
8 a6 o1 k  k, v+ v6 c% tend
4 t/ s% W% _/ {% I
to create-initial-turtles [n turtle-rule turtle-color]
  ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
- q3 q: l/ z; B8 K5 B  [ sprout 1
3 o2 u4 `" |) L/ X- y. l, E    [ set rule turtle-rule
2 Q% @0 l: a9 o* U      set color turtle-color ] ]
end
5 }- `; s! |# h" {
[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ]