流水作业调度问题要求确定这n个作业的最优加工顺序，使得从第一个作业在机器 上开始加工，到最后一个作业在机器 上加工完成所需的时间最少。-Flow-shop scheduling problem requires to determine that the optimal n-job processing sequence, so the first job from start processing on the machine, to the last job on the machine processing time required to complete a minimum.