backup

过去式：

动词过去式: backtracked

更多词形：

动词过去式: backtracked | 动词过去分词: backtracked | 动词现在分词: backtracking | 动词第三人称单数: backtracks |

单词例句：

In the Backup type list box, select Differential.

在“备份类型”列表框中,选择“差异”。

Hard disk file as a backup device.

硬盘文件作为备份设备。

Warning! No file were found to backup.

警告!未找到备份文件。

Where would you like the system backup to be saved?

要在哪儿保存系统备份?

We offer a free backup service to customer.

对顾客我们提供免费配套服务。

We offer a free backup service to customers .

我们为客户提供免费的辅助性服务。

Lost of a control file with no backup.

没有备份的控制文件的丢失。

Size of the backup for this file in bytes.

此文件的备份的大小(字节)。

The default backup set file number is 1.

默认备份集文件号是1。