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。
Sharon also sang backup for Barry Manilow.
莎伦还为巴里·马尼洛唱了伴唱。
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。
指定备份选项。
IDS always generates backup objects.
IDS总是生成备份对象。
Ensure a valid registry backup exists.
确保有一份有效的注册表备份。
Offline backup is also the simplest form of backup in DB2 UDB.
在DB 2 UD b中，脱机备份也是最简单的备份。
Backup, backup, backup - Make sure you have a reliable way of backing up your data.
备份，备份，再备份——确保自己有一套可靠的方式备份文件。
Backup criteria: Specifies when automatic backup should consider scheduling a backup.
备份条件：指定自动备份应在何时计划备份。
Database backup Compression (V8 FP4) : Compression to result in smaller backup images.
数据库备份压缩(V8 FP4)：通过压缩产生较小的备份映像。
If you are using circular logging, offline backup is the only type of backup supported.
如果您正在使用循环日志记录，脱机备份是惟一受支持的备份类型。
Instead, create a hard link from the new backup to the same file in the existing backup.
相反，在新备份中创建一个指向现有备份中同一文件的硬链接。
Offline backup: Offline backup is the simplest form of backup in DB2 9 as well as in IDS.
离线备份： 离线备份是DB29和 IDS中最简单的一种备份形式。
If the last backup was a full backup image, it and the delta provide the most complete backup.
如果最后的备份是一个完整的备份映像，那么它和增量备份将提供最完整的备份。
An online backup, unlike the offline backup, allows users to carry on with their normal tasks.
联机备份与脱机备份不同，它允许用户执行正常任务。
An incremental backup is a backup of all changes since the most recent successful, full backup.
增量备份是最近一次成功的全备份以来的所有修改的备份。
From this figure you can see that an incremental backup is really based on the last full backup.
从这个图中可以看到，增量备份实际上是以上一次的完全备份为基础。
An incremental backup is a backup of all changes since the most recent, successful, full backup.
增量备份是自最近成功的完全备份以来所有更改的备份。
Offline backup is the backup of all the physical database files after a normal database shutdown.
脱机备份是正常关闭数据库之后，对所有物理数据库文件执行的备份。
Unlike offline backup, online backup only requires that data files and control files be backed up.
与脱机备份不一样，联机备份只要求备份数据文件和控制文件。
Online backup: Online backup can be taken even when the applications are connected to the database.
在线备份：即使应用程序和数据库处于连接状态，也可进行在线备份。
Let's first visit the instance backup capability and then the persistent storage backup capability.
让我们先了解实例备份功能，然后再了解持久性存储备份功能。
Can you adapt your backup strategy if users demand access to the database before a backup completes?
如果用户在备份完成之前要求访问数据库，您能调整备份策略吗？
The implication of this backup method is that you can only recover to the last complete offline backup.
这种备份方式的含义就是，仅能还原最后一次完整的脱机备份。
The implication of this backup method is that you can only recover to the last complete offline backup.
这种备份方式的含义就是，仅能还原最后一次完整的脱机备份。
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