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 x/ e3 n/ l% j. ]* Vto make-turtles
- Y  |5 [, ]& G3 o    ask patch 0 0 [
+ J1 @6 w0 Y2 w$ g4 e      create-initial-turtles num-random-min   "random-min"   violet
( g+ n) L4 s' y      create-initial-turtles num-random       "random"       brown
      create-initial-turtles num-random-away  "random-away"  pink
( e6 ^1 c; c3 A5 f      create-initial-turtles num-open-min     "open-min"     blue
. ^4 v+ U- H- ?: ?9 X( Z/ q1 B/ X      create-initial-turtles num-open-min-max "open-min-max" orange ]
  set-common-variables
0 `0 t8 A% k) Send
6 t7 O5 L8 g, Z& O$ A2 _: k
to create-initial-turtles [n turtle-rule turtle-color]
  ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
  [ sprout 1
4 e4 X; J2 ^% C0 d" b4 Y    [ set rule turtle-rule
      set color turtle-color ] ]
! @8 Q1 v$ f# k; o) u* p3 U1 i1 Kend

[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ]