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
- v) f' n3 A1 y1 S1 }$ e      create-initial-turtles num-random       "random"       brown
      create-initial-turtles num-random-away  "random-away"  pink
0 t: E$ w* B* y, f# j- R- d" j" Q      create-initial-turtles num-open-min     "open-min"     blue
0 @, T4 \( Q4 `! v      create-initial-turtles num-open-min-max "open-min-max" orange ]
8 ~0 l  y1 ?* S, [, u8 _  set-common-variables
end

; @3 O% o, F3 P! S; Kto create-initial-turtles [n turtle-rule turtle-color]
% _9 i4 V5 G0 u8 [. p, F, U2 @+ v( I  ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
$ ?7 L' a2 k0 [8 Q! |3 E  [ sprout 1
    [ set rule turtle-rule
      set color turtle-color ] ]
, G$ E. c7 U7 v6 {end

( X! a% ]* R; H. N# f; z8 A! P[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ]