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
3 I' |6 [$ ]) E! n) Q4 Sto make-turtles
; ~7 I9 O5 |7 e! S9 {    ask patch 0 0 [
0 S5 |+ J/ v1 f- g  u( A/ K      create-initial-turtles num-random-min   "random-min"   violet
# P2 V1 ~5 M# x4 A! ]6 ~# @      create-initial-turtles num-random       "random"       brown
0 _2 V8 A8 J6 d, l# B      create-initial-turtles num-random-away  "random-away"  pink
      create-initial-turtles num-open-min     "open-min"     blue
2 g) n  l3 Q" f/ S( ?      create-initial-turtles num-open-min-max "open-min-max" orange ]
+ a5 _% A6 h$ u. x2 I  f, Z9 l  set-common-variables
$ \3 B* J5 ?5 _4 v/ i* B! S2 H3 B% oend

to create-initial-turtles [n turtle-rule turtle-color]
  ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
" @* C; a$ U; ?, V. P  [ sprout 1
    [ set rule turtle-rule
* f! F4 q- i0 f# t      set color turtle-color ] ]
2 A3 J/ Z' c$ D, s) b' xend

5 |9 T( p+ w* U* p9 n3 r[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ]