disk file reference

例句：

1. 1. The software uses a disk file reference to store data.
   该软件使用磁盘文件引用来存储数据。
2. 2. The disk file reference is used to retrieve data from the hard drive.
   磁盘文件引用用于从硬盘中检索数据。
3. 3.The disk file reference is essential for backup and recovery operations.
   磁盘文件引用对于备份和恢复操作至关重要。