错误检查工具扫描硬盘的坏扇区，并扫描文件系统错误，检查是否某些文件或文件夹是错误的。
The Error Checking utility scans the hard drive for bad sectors, and scans for file system errors to see whether certain files or folders are misplaced.
f开关告诉命令去自动修理错误，r开关则定位坏的扇区并恢复可读数据。
The f switch tells the command to automatically fix errors and the r switch locates bad sectors and recovers readable data.
硬盘驱动器，应扫描每星期的错误或坏扇区。
Hard disk drives should be scanned every week for errors or bad sectors.
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