Optical disk holds much more, data than many magneticdisks.
光盘能够存储比磁盘多得多的数据。
2
It accommodates floppy and removable magneticdisks, as well as most desktop and notebook hard drives, whether they are functioning or not.
它适用于软盘和可移动磁盘，以及大多数台式机和笔记本的硬盘驱动器，而不管这些磁盘运行与否。
3
The typical secondary storage medium of a microcomputer is the floppy and hard disks. A floppy disk, or diskette, is a thin circular piece of flexible polyester coated with a magnetic material.