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发表于 2010-11-22 21:02:49
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本帖最后由 mengzhang 于 2010-11-22 21:04 编辑
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定义一个Machine(Batch类型),和一个计数器nCounter(Integer型),machine输入规则:
4 n2 N: L! y4 _/ ?" @' j# EDIM midValue AS INTEGER' r6 s8 K2 M! T5 ?3 s% j- L
nCounter = nCounter + 1% `- _8 j# R3 R7 Y+ L4 m
midValue = MOD(nCounter, 4)
/ w# o* E2 c8 H6 E, d' x% R$ N& JIF midValue =1" {4 v0 F. U2 u# X) y
PULL from A out of WORLD3 s7 V4 x1 ]; O
ELSE6 `& a. X1 c( K+ R7 V3 F( H6 N! z
PULL from B out of WORLD
- v6 |7 O3 H8 LENDIF |
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