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
2 R$ f4 f! s* Z. Cto make-turtles
    ask patch 0 0 [
6 d. e/ N1 u; i2 x: B      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
! S  G8 t: N6 `) e1 r( g; w; ^      create-initial-turtles num-open-min     "open-min"     blue
# e+ k* q# V* `2 I; e      create-initial-turtles num-open-min-max "open-min-max" orange ]
  set-common-variables
end
% d$ T0 d+ {2 F1 {7 g5 e
to create-initial-turtles [n turtle-rule turtle-color]
  ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
9 h  J+ Z" t1 D0 ]6 ^; W, L  [ sprout 1
+ C% E$ V+ e. Z- ?& U5 A    [ set rule turtle-rule
      set color turtle-color ] ]
end

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