本帖最后由 mengzhang 于 2010-11-22 21:04 编辑 0 g+ F g ]9 A; y; U
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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:# c5 q0 D3 ~; h. d u
DIM midValue AS INTEGER 5 C* U6 J( c2 I; L) qnCounter = nCounter + 1. x: c9 w2 P" m l# I
midValue = MOD(nCounter, 4): @; V: u( S( F
IF midValue =1# P# l' T3 K4 R% ~' U. ?( `
PULL from A out of WORLD ! y d. M% V* Z/ y% K @ELSE9 ]9 `0 L9 M( l, ~. J
PULL from B out of WORLD * I% q9 u- f s8 A5 \$ |ENDIF