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1·You should make a copy of the disk as a backup.

你应该将磁盘复制一个备份。《牛津词典》

2·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。

3·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。

4·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。

5·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。

6·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。

7·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。

8·The police had backup from the army.

警方得到了军方的增援。《牛津词典》

9·Every part of the system has a backup.

这套系统的每个部分都有备件。《柯林斯英汉双解大词典》

10·Sharon also sang backup for Barry Manilow.

莎伦还为巴里·马尼洛唱了伴唱。《柯林斯英汉双解大词典》

备份的

1·You should make a copy of the disk as a backup.

你应该将磁盘复制一个备份。《牛津词典》

2·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。

3·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。

4·However, this will replace all of your work in this project, so backup anything you want to keep.

不过，这将替换您在此项目中的所有工作，所以，请备份您需要保存的任何内容。

5·If you have time, verify the backup.

如果你有时间，请检查一下备份。

支持

1·While the book's prescriptions are often too general — teachers must show empathy and resolve, and communities should provide backup — its descriptions of the task facing teachers are superb.

虽然该书开出的药方过于笼统——教师必须能够做到换位思考、意志坚决，同时社会必须提供支持，但是它对对教师面临的任务所作的描述却极为出色。

2·This category honors performers who played as backup musicians for major stars.

这个新类别是表彰那些主流明星幕后起支持作用的艺人。

3·If doctors didn't follow every step on the checklist, the nurses would have backup from the administration to intervene.

如果医生不按照检查列表中的每一步执行，在院方的支持下，护士有权干涉。

4·But by convicting two more junior officials, each given three-year jail terms, the judge made quite clear that he believed Italian agents had provided operational backup.

然而在又审理了2名初级官员并均判处2人三年监禁后，法官明确表示他认为意大利官员提供了技术上的支持。

5·Having a doctor's opinion as backup helps protect against the risk that what may seem to be uncomplicated complaints might actually be the early signals of a more serious condition.

征询医生的意见作为支持有助于防范风险，有些看起来似乎不太复杂的小病痛实际上可能是一个更严重病症的早期信号。

后援

1·It could also provide backup power for extended operations if generators fail.

如果发电机出现故障，它还能为大范围作战提供后援能量。

2·The laboratory network is providing backup support for situations in which exceptionally precise diagnostic results are important because of the implications for control measures.

对于例外准确的诊断结果因其对控制措施的影响而十分重要的情况，实验室网络正在提供后援支持。

3·The confederates who had reached that far didn't know that there was no backup behind them.

到达那里的南方邦联军人根本就不知道在他们后面没有后援。

4·Understaffed, they decided to call for backup and book them all anyway.

由于人手不足，他们决定要求后援，并把他们所有人都登记在册。

5·Ipsotek's system can serve as crucial backup in such a case, potentially averting an attack and saving lives.

Ipsotek系统对于可能避免的攻击并挽救生命这样的案件能起到关键的后援作用。

后备的

1·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。

2·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。

3·Set up a backup system to reach you.

制定一个能找到你的后备方案。

4·In some cases, hydropower is growing as a backup power supply for wind and solar power.

在某些地区，水电项目是作为风力发电和太阳能发电项目的后备手段。

5·Many factories have tried to beat the cuts by turning on backup diesel generators, leading to long queues at filling stations, as motorists rush to buy diesel before stocks run out.

许多工厂为了应对断电而使用后备的柴油发电机，这导致了加油站排起长龙，因为驾车人士都赶在储备枯竭前蜂拥到加油站购买柴油。

数据备份

1·Many functions have been realized in our database, for example, multi-aspect query, loading, modification, deletion, extraction of data, printing, backup and help.

数据库实现了多种操作功能：有多途径检索、录入、修改、删除、数据提取、打印、数据备份、帮助。

2·You might want to use a data compression utility for the purpose of backup.

你可能想要使用一种数据压缩设施用于数据备份。

3·In this paper, the backup system of the martial information network is designed and implemented.

本文主要针对军事信息网络的数据备份系统进行了设计与实现。

4·At the same time, the article raises several data recovery and backup solutions.

同时提出了对数据的几种容灾的数据备份方案。

5·P2P Backup and Restore System is presented and realized.

提出并实现了一种基于P 2 P的数据备份与恢复系统。

文件备份

1·There is no backup : a mis-edit may cost you necessary information.

没有文件备份：错误地编辑，可能破坏了一些必要的信息。

2·You shouldn't encounter any problems, but if you do, just move the old directory back into place, and if absolutely necessary, restore your database from backup.

你不应该再遇到什么困难了，但是如果你遇到了，只要旧的目录返回到原位置，如果完全有必要的话，从文件备份中重建数据库。

做备份

1·Except for the limitations described below, you can take a backup from any big-endian server and restore it to any other big-endian server.

除了以下限制外，可以为任何big - endian服务器做备份，然后将它恢复到另一个big - endian服务器。

2·I'd like to get a 1tb drive and use that for my backup.

我想要拿一个1tb的硬盘来做备份用。

候补的

1·Airbus had attributed the extrusion failures to the lack of a backup seal or the effects of aging on the seals.

空中客车已经把压挤失败归于缺乏一个候补的封条或者老化对封条的影响。

(1)backup and recovery备份与恢复

(1)backup and restore备份与还原

(1)backup system备用系统；后备系统

(1)backup roll支承辊；背辊；压辊

(1)backup copy副本；备份件

(1)backup file备份文件