如果你将要参加一场重要的考试的话，你最好准备多一支备用的笔。
If you are to have an important exam, you'd better prepare one more pen in reserve.
家里也没有备用的发电机。
他用备用的钥匙打开前门进了屋。
Using the spare key that he carried, he unlocked the front door and entered the house.
他能够分辨出一个梳妆台，还有一把备用的椅子。
He could discern a dresser with a fair level of certainty, as well as a spare chair.
这就是我为什么说用那些你留着备用的东西，这样你会做得更好。
That’s why I say use what you already have in reserve so that you know you can do better.
这就是我为什么说用那些你留着备用的东西，这样你会做得更好。
That's why I say use what you already have in reserve so that you know you can do better.
你可提供的最重要的功率节约将来自于那些断电但随时备用的存储。
The most significant power savings you can provide are those derived from powered off but ready-to-use storage.
这样可以确保将恢复的文件放到备用的目录，而不是运行中的某个位置。
This ensures that recovered files can be put into a spare directory, and not the live location.
下面的机器节文件示例将机器ha5定义为一台备用的中央管理器。
The following machine stanza example defines the machine ha5 as an alternate central manager.
当部署了多个实例时，这个实例必须包含一个活跃实例，可能有多个备用的副实例。
When multiple instances are deployed, the deployment must always include one Active instance with potentially multiple secondary instances in Standby.
例如，投影仪上的电灯泡坏了（而你又没有带备用的），或者你的公文包落在机场了。
What if your projector blew a light bulb (and you forgot to bring a spare) or your briefcase was lost at the airport?
不知疲倦的外卖工作人员有一个解决方案：提供一个备用的电源板，让食客们虚惊一场。
The indefatigable delivery man has a solution: a spare power strip, which earns sighs of relief.
她打算要么等着借用教授留在图书馆备用的几份为数不多的复印本，要么靠同学发发慈悲。
Instead, she waits to borrow the few copies her professors leave on reserve at the library, or relies on the kindness of classmates.
你可以将硬盘放置到备用的架子，然后使用一个硬盘去加载选择的操作系统，设置维护，排除故障。
You could go as far as to have a hard drive loaded up with your operating system of choice and set up for maintenance and troubleshooting situations and keep it in the spare caddy.
然后，由于我们有些人就是很顽固，拒绝简单的方法，我也告诉你备用的(更难的方式)！
And then, because some of us are just obstinate and refuse to do it the easy way, I will also show you the alternate (harder way)!
虽然电动冷却泵失去了外网供电，但是备用的柴油发电机开始运作，超纯冷却水继续循环使堆芯降温 。
The electric cooling pumps had lost power from the grid, but back-up diesel generators kicked into action, and ultra-pure cooling water continued to circulate through the cores.
工商银行与通用电气的关系可以追溯回中国，在中国，工商银行曾为通用电气提供了一些备用的信贷额度。
The relationship with GE stretched back to China, where ICBC provided the company with some backup credit lines.
还有一座为雷纳·尔特和家人而设立的犹太教堂，以及一个备用的发电站，以确保一切正常运转。
There's a synagogue for Rennert and his family - and an on-premise power plant to keep everything running.
根据这项合同，ITT将制造并交付15000个附加CREW 2.1设备，包括备用的和相关的器材。
Under the contract, ITT will build and deliver up to 15, 000 additional CREW 2.1 devices, as well as spares and related equipment.
找到关键字文本后(比如“ipod”或“iphone”)，将显示另一个备用的移动登录屏幕。
When the keyword text (for example, "ipod" or "iphone") is found, an alternate mobile login screen is displayed.
地震和海啸破坏了反应堆的外部电力供应，并且备用的柴油发电机也无法工作，因为海浪冲走了油箱。
The earthquake and tsunami knocked out outside power to the reactor complex and the tidal wave also disabled backup diesel generators, whose fuel tanks were swept away.
唯有美好而正直的心灵，犹如干燥备用的木料，永不走样；纵然整个世界变为灰烬，它依然流光溢彩。
Only a sweet and virtuous soul, like seasoned timber, never gives; But though the whole world turn to coal, then chiefly lives.
在过去两年Glory观测卫星失败发射，所以无法提供备用的地球观测卫星，这进一步加重了该问题。
The problem is exacerbated by the lack of an adequate replacement for a pair of Earth-observation satellites, the Orbiting Carbon Observatory and Glory, which failed on launch in the past two years.
在本文中，假设您已经添加了一个新的硬盘设备或具有备用的硬盘设备或分区，以用作目录或文件系统的移动目标。
Throughout this article, I assume that you have already added a new hard disk device, or have a spare disk device or partition to use as the destination for the directory or file system.
姆~，健康食品店最恐怖的一个特点，就是所有商品看起来都像是活的- - -还是把这儿作为备用的购物点！
Hmm, that scary part of the health food store where everything seems alive - lets make a b-line there!
珀尔修斯拥有更坚固的钢铁外壳和备用的抗震性触发系统，能击穿数米厚的钢筋混凝土，并在进入掩体之后才引爆。
With a stronger steel casing and backup shock-resistant triggering mechanisms, the Perseus can smash through several metres of reinforced concrete and detonate only after it has gone into a bunker.
珀尔修斯拥有更坚固的钢铁外壳和备用的抗震性触发系统，能击穿数米厚的钢筋混凝土，并在进入掩体之后才引爆。
With a stronger steel casing and backup shock-resistant triggering mechanisms, the Perseus can smash through several metres of reinforced concrete and detonate only after it has gone into a bunker.
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