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
1 L) Z( g2 `6 i+ H  O      create-initial-turtles num-random       "random"       brown
      create-initial-turtles num-random-away  "random-away"  pink
: k# ]& q( i, A2 G5 Y      create-initial-turtles num-open-min     "open-min"     blue
( Y1 a9 J( h# S: C& Y8 J2 g      create-initial-turtles num-open-min-max "open-min-max" orange ]
  set-common-variables
end

4 n% g+ K& u8 M# @" r2 D( U% Hto create-initial-turtles [n turtle-rule turtle-color]
  ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
  [ sprout 1
! h- `% h, {! k4 X! M0 W    [ set rule turtle-rule
  @9 q7 g% {' V2 V      set color turtle-color ] ]
end
# E4 X  f2 Y, p$ y0 x
7 I( M$ z/ M8 x( F[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ]