在先来先服务调度算法（FCFS），最短寻道时间优先调度算法（SSTF），循环扫描算法（SCAN）中选择一个适合的磁盘调度算法完成磁盘查找内容。-First come first serve scheduling algorithm (FCFS), priority scheduling algorithm for the shortest seek time (SSTF), cycle scan algorithm (SCAN) to select a suitable disk scheduling algorithm to find the contents of the completion of the disk.