当就绪状态进程个数大于处理器数时，就必须依照某种策略来决定哪些进程优先占用处理器。本实验模拟在单处理器情况下处理器调度，帮助自己加深了解处理器调度的工作。(When the number of ready state processes is greater than the number of processors, it must be determined according to some strategy which processes take precedence of the p