最新研究表明，基于磁盘准确的物理特性进行相应的磁盘访问优化是提高磁盘I/O的有效方法。

Recent researches indicate that one of the efficient I /O optimizing methods is the disk access optimizing based on the physical features of the disk.

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针对如何提高磁盘调度效率的问题，提出了一种基于平均寻道时间(ast)的磁盘调度优化算法。

To improve the efficiency of disk scheduling, this paper proposed an optimization algorithm of disk scheduling based on the Average Seek Time (AST).

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