Sharon also sang backup for Barry Manilow.(莎倫還為巴里·馬尼洛唱了伴唱。)

In areas where the wind dies down, backup electricity from a utility company or from an energy storage system becomes necessary.(在風(fēng)能不穩(wěn)定的一些地區(qū)，需要供電事業(yè)公司或者能量儲存系統(tǒng)來提供備用電能。)

If that happens, the grasshopper has a backup defense.(如果發(fā)生這種情況，蚱蜢就有了后備防御。)

The police had backup from the army.(警方得到了軍方的增援。)

The complete backup in DB2 should be an offline backup.(在DB2中，完全備份應(yīng)該是一個離線備份。)

Every part of the system has a backup.(這套系統(tǒng)的每個部分都有備件。)

Backup the database.(備份數(shù)據(jù)庫。)

Although many of these storage media have high capacity, a backup tool with compression capabilities is a big plus, eliminating the inconvenience of multiple disks or large uploads.(盡管這些存儲介質(zhì)中有許多具有高容量，但具有壓縮能力的備份工具是一大優(yōu)勢，它消除了多個磁盤或大型上傳的不便。)

Test cold backup.(測試?yán)鋫浞荨?

You should make a copy of the disk as a backup.(你應(yīng)該將磁盤復(fù)制一個備份。)