The researchers asked them if they napped and for how long.
研究人员询问他们是否午睡以及午睡多长时间。
He sounds modest. But for how long?
他貌似谦虚的姿态能持续多久？
No one knows by how much, or for how long, America's economy will be weighed down.
没有人知道美国经济会多大程度稳定下来，能维持多久。
If we were to time ourselves for how long we could talk, we'd probably be the World Records.
如果将我们的聊天时间记录下来，那很可能就是世界记录。
You're not done yet: You have to tell CakePHP exactly what you want cached and for how long.
仅仅启用缓存还不够，还必须准确地告诉CakePHP需要缓存的内容以及缓存多久。
Proactively decide how many times a year you are willing to see this person and for how long.
采取主动，确定一年中与此难以相处的人见面的次数、时间。
Desperately. I'd check on my kids at night - they'd be sleeping soundly, safe - but for how long?
令人绝望的是，我会在晚上无法自主的去看看孩子——他们睡得踏实吗，安全吗——但这要持续多久呢？
The impact of a crisis would therefore depend on how much oil production was lost and for how long.
因此，石油危机的影响力大小取决于石油生产的减少量以及减产的时间长短。
Make it clear how, when, where, and for how long people can expect to interact one-on-one with you.
写清楚怎样，什么时候，在哪儿，人们多久能期待与你一对一接触。
But depending on what you throw on the grill - and for how long - you may be jeopardizing your health.
但是根据你烤架上烤什么食物——以及烤多长时间——你可能正在损害自己的健康。
It's not a question of when they start raising interest rates but how quickly they do — and for how long.
问题不在于他们是否加息，而在于加息的动作有多么快——以及加息能够持续多久。
I also think it will come down to being mindful and deliberate with where I spend my time and for how long.
我也认为，归结起来，自己应该在怎么使用时间、使用多久方面深思熟虑。
And the king said unto me, (the queen also sitting by him,) For how long shall thy journey be? And when wilt thou return?
那时王后坐在王的旁边。王问我说，你去要多少日子。
A first step is to decide which data should be kept and for how long; many firms store too much, making leaks more likely.
第一步是确定那些信息需要保护且保密期为多长。
Cells respond to this protein by growing differently depending on how much of it they're exposed to, and for how long.
细胞根据这种蛋白质的数量和作用时间长短进行分化。
Small cameras can now be embedded in the screen or hidden around it, tracking who looks at the screen and for how long.
微型摄像头现在能够被嵌入到大屏幕中或者隐藏在大屏幕的周围，追踪着那些看广告的人以及他们在广告前停留了多长时间。
When the rovers wake up, they receive a day's worth of commands telling them what direction to drive in and for how long.
漫游车重新工作时，他们会收到一天的工作指令，包括前进方向和工作时间。
As The Economist went to press, it still was not clear on what terms America's debt limit would be raised, and for how long.
当经济学人出版时，美国债务界限将升到什么水平，持续多长依然不明朗。
Because you don't know when the compiler will run or for how long, you can see how your measurements could be badly distorted.
因为您不知道编译器什么时候执行，也不知道要执行多长时间，所以您可以看到，您的测量可能受到严重的歪曲。
KPMG's British firm has introduced time codes so that employees can account for how long they spend dealing with staff matters.
毕马威(KPMG)英国公司已经引入了时间编码，用来计算员工在职工事务方面所耗费的时间。
When a piece of news breaks online, it's hard to predict how widely it will be discussed in blog posts or tweets and for how long.
当一条新闻在网上发布时，我们很难预测它会在多广的范围内被博客和微博所关注，也不知道这样的关注会持续多久。
Each time you make a cell-phone call, your network provider knows whom you're calling, for how long, and what device you're using.
你每一次使用手机通话时，通信服务运营商都会知晓你的通话对方、通话时长和手机型号。
He's now resting at the Coachella Valley Animal Campus in Thousand Palms, but how he got stuck and for how long remains a mystery.
它现在在千棕榈的冦切拉(Coachella)山谷动物营地休养，但它到底是怎么卡到那里的仍是个谜。
It isn't clear how many people were camping at the Texas site, known as the Debra L. Friedkin site, or for how long they lingered.
尚不清楚在得克萨斯这一被称为Debra L . Friedkin的地点有多少人曾居住过，以及居住了多久。
Soon enough, screens will follow our eyes to perceive where we gaze. A screen will know what we are paying attention to and for how long.
不久的将来，屏幕将可识别人的眼神，进而理解我们在看什么，一块屏幕将能知道我们的注意力集中在哪里以及持续多长时间。
Mr Jobs' thin frame and gaunt appearance sparked questions about his health and for how long would he continue to be at the helm of Apple.
Jobs瘦弱了身躯和憔悴的面容引发了关于他健康的疑问，大家都在揣测他还会掌舵苹果多少日子。
Mr Jobs' thin frame and gaunt appearance sparked questions about his health and for how long would he continue to be at the helm of Apple.
Jobs瘦弱了身躯和憔悴的面容引发了关于他健康的疑问，大家都在揣测他还会掌舵苹果多少日子。
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