备份

Have you kept a backup of this file?

你把这文件备了吗?

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,只得靠落后的纸档案重做。

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

CROSSCHECK令同步RMAN备和存储介质上副本的逻辑。

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有有时超过限制的流氓战术。