备份

Have you kept a backup of this file?

你把这文件备份了吗?

We had no computer backup and had to rely on old paper files to reconstruct the records.

我们没有计算机备份,只得的纸档案重做记录。

The CROSSCHECK command synchronizes the logical records of RMAN backups and copies with the files on storage media.

CROSSCHECK命令同步RMAN备份和存储介质上副本的逻辑记录。

Ron Artest: Ron-Ron talks tough but usually backs up his boasts with sometimes over-the-top bullyboy tactics.

罗-阿泰斯特：罗-罗谈判起来很棘手但经常备份有有时超过限制的术。