data bac

• 数据备份

data bac的用法和样例：

例句

1. Backing up your existing notebook hard drive for extra data safety.
   为你的现有手提电脑硬碟机进行数据备份令数据额外安全。
2. You might want to schedule data backups to occur during off-peak hours.
   您可能需要计划在非高峰期进行数据备份。