讨论了工件准备时间、加工时间和交货期都为随机变量的单机调度问题。
This paper is concerned with single machine stochastic scheduling problems with random ready times, processing times and due dates to minimize the number of tardy jobs.
加工中心的换刀准备时间不占用机床的切削时间，提高了机床的利用率及生产效益。
It raises the cutting efficiency for machine tool and enhances the benefit of manufacture.
讨论了工件准备时间、加工时间和交货期都为随机变量的单机调度问题。
This paper considers the open shop scheduling problems with job priorities and release times.
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