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
# \1 [& z% e  T9 lto make-turtles
    ask patch 0 0 [
# Y- G" K3 k" `' \/ [, y1 y- }! H. d      create-initial-turtles num-random-min   "random-min"   violet
      create-initial-turtles num-random       "random"       brown
. z1 |8 ]. [5 Y      create-initial-turtles num-random-away  "random-away"  pink
, t9 Z3 L( t& G      create-initial-turtles num-open-min     "open-min"     blue
: j! z5 K( {! g      create-initial-turtles num-open-min-max "open-min-max" orange ]
  set-common-variables
end

9 y# {+ X  o9 h5 @( ~: u3 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
    [ set rule turtle-rule
      set color turtle-color ] ]
+ J# z5 ~& }7 t- iend
6 A$ T# s7 I, \0 A0 w6 l
! o: i0 K3 O: J& E( e5 a[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ]