You should make a copy of the disk as a backup.
你应该将磁盘复制一个备份。
If that happens, the grasshopper has a backup defense.
如果发生这种情况，蚱蜢就有了后备防御。
In areas where the wind dies down, backup electricity from a utility company or from an energy storage system becomes necessary.
在风能不稳定的一些地区，需要供电事业公司或者能量储存系统来提供备用电能。
The hydrogen gas could then be fed into a storage system and used to generate electricity when additional or backup power is needed.
然后可以将氢气输入到存储系统中，并在需要附加或备用电源时用于发电。
Backup power could also be provided by linking wind farms with a solar cell, with conventional or pumped-storage hydropower, or with efficient natural-gas-burning turbines.
将风力发电厂与太阳能电池、常规或抽水蓄能的水电或高效的天然气涡轮机连接起来，也可以提供备用电力。
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.
尽管这些存储介质中有许多具有高容量，但具有压缩能力的备份工具是一大优势，它消除了多个磁盘或大型上传的不便。
While the terror group established a large, secretive external operations wing bent on attacking the West, it has also cultivated a backup strategy of enabling and inspiring attacks by individuals.
虽然这个恐怖组织建立了一个庞大的、秘密的外部行动部门，致力于攻击西方，但它也形成了一种支持和鼓励个人发动袭击的后备战略。
The police had backup from the army.
警方得到了军方的增援。
Every part of the system has a backup.
这套系统的每个部分都有备件。
Sharon also sang backup for Barry Manilow.
莎伦还为巴里·马尼洛唱了伴唱。
We can use him as a backup if one of the other players drops out.
如果有参赛者退出，我们可以用他作为替补。
Perhaps, similar to sails, they make a useful backup for when the lights go out.
也许，和风帆一样，它们作为备用品可以在熄灯的时候排上用场。
And, perhaps, similar to sails, they make a useful backup for when the lights go out.
也许，和帆船一样，它们在熄灯的时候可以作为有用的备用品。
Note how both these parts rely on R/C components as the ultra-reliable backup technology.
请注意这两个部分是如何依赖于无线电遥控元件的超可靠的备份技术的。
自动备份维护。
存在哪几种备份类型。
表空间级备份。
If you have time, verify the backup.
如果你有时间，请检查一下备份。
这是没有备份的计划。
备份这个数据库。
完整的备份映像。
备份数据库。
Backup Type - Only full backup is enabled.
备份类型——只启用全备份。
测试冷备份。
Backup the deployment manager configuration.
备份部署管理器配置。
备份日志。
Why a DB2 backup and not a file system backup?
为什么是DB2备份而不是文件系统备份？
Parallel backup is more efficient than serial backup.
并行备份比串行备份更高效。
The complete backup in DB2 should be an offline backup.
在DB 2中，完全备份应该是一个离线备份。
This form of backup is also known as cumulative backup.
这种备份形式也称为累积备份。
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