In this psper, the model of the multi - machine scheduing problem for minimizing total flow time was propssed and established.

本文研究了总的流程时间最小的多机调度问题，建立了该问题的数学模型，并用一种改进遗传算法有效解决了该问题。

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This paper discusses the stochastic scheduling on a single machine to minimize total weighted completion time subject to precedence constraints of chains.

研究具有链式约束的单机随机排序问题，目标函数为加权总完工时间的数学期望。

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Minimize the total weighted completion time single machine scheduling problems.

最小化加权总完工时间的单机排序问题。

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