If you're familiar with disk structure, you know that disks are broken down into sectors, which are normally 512 bytes in size; all read or write operations occur in multiples of the sector size.

如果您熟悉磁盘结构，就知道磁盘是被分解成扇区的，大小通常是512字节；所有读写操作均在成倍大小的扇区中进行。

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If you're familiar with disk structure, you know that disks are broken down into sectors, which are normally 512 bytes in size; all read or write operations occur in multiples of the sector size.

如果您熟悉磁盘结构，就知道磁盘是被分解成扇区的，大小通常是512字节；所有读写操作均在成倍大小的扇区中进行。

youdao