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
- _. C3 r  g0 s9 _7 A; r* Hto make-turtles
    ask patch 0 0 [
- \& h! `8 z" N- G      create-initial-turtles num-random-min   "random-min"   violet
& b& l+ C( C% R" L" @4 O      create-initial-turtles num-random       "random"       brown
6 A/ `+ O' D0 t5 z: W2 n- |      create-initial-turtles num-random-away  "random-away"  pink
! b7 B$ Y7 X7 H9 D' I7 V6 I      create-initial-turtles num-open-min     "open-min"     blue
      create-initial-turtles num-open-min-max "open-min-max" orange ]
  set-common-variables
end
" o1 Q, J. g7 ?5 Y- l* y
to create-initial-turtles [n turtle-rule turtle-color]
( g, @7 b( M! r4 b5 Z  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' [1 C$ V0 w  M* ]* D$ ~end

' D% P9 D+ i' a; Z9 u3 p- x: x% y[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ]