本帖最后由 mengzhang 于 2010-11-22 21:04 编辑 2 X" a1 F8 Y. J: S4 [5 z3 ~ Z
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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:: u( i: g9 Q9 _# T
DIM midValue AS INTEGER$ i7 D4 a! v3 J0 ]
nCounter = nCounter + 1 * {% `/ H# h4 GmidValue = MOD(nCounter, 4)! x9 B/ P6 k1 i9 ^! X a
IF midValue =1 ( r) g- T, K c, p; wPULL from A out of WORLD# G0 s8 H' N- X% e' v& _: _" j
ELSE 1 `9 B# d' n7 q( EPULL from B out of WORLD+ n- u- h7 D# V1 l" r6 Z. D
ENDIF