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近些年,磁盘的容量不断加大。软盘由180K到1.44M,硬盘由10M发展到540M甚至1GB以上。但是,由于多媒体的发展,磁盘容量仍
In recent years, the capacity of the disk is constantly increasing. Floppy from 180K to 1.44M, the development of the hard disk from 10M to 540M or even 1GB. However, due to the development of multimedia, the disk capacity remains