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And so it is very important for the poorer people to have very efficient stoves that protect their forests and that protect their health."
VOA: special.2010.02.01
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Now granted we're now starting to take this all shuttle theme to an extreme perhaps, but we realized you know what, it's actually not that efficient sometimes to call a phone number, it's not that efficient to pull up the mobile web.
我们现在都已经习以为常了,我们都认为极为平常了，把这些关于班车的程序做的很好了,但我们有些时候拨打一个电话，或上一下移动网络。
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that might have been applied in more... more efficient ways to society.
我们本来可以更有效率地利用这些时间，做对社会更有用的事。
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The walls were built extra thick to save heat and energy-efficient appliances kept energy use low.
VOA: special.2009.10.27
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Where those pieces, I would do the same thing with, I would divide them up into smaller chunks, and sort those. Is that going to give me a more efficient algorithm?
合并起来，而那些小列表,我又会把他们拆成更小的列表,再排序，这会给我,一个更高效的算法么？
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They're very efficient." Not far from Taylor Glacier, researchers for the American space Agency are using the icy Lake Bonney to test an underwater robot vehicle.
VOA: special.2009.06.03
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The pink line here is the efficient portfolio frontier when we have only stocks and bonds to invest.
这条粉色曲线就是有效边界,这个投资组合只包括了股票和债券。
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In Saudi Arabia it takes five days. So,it's things like that where they can learn from each other about how to get more efficient, how to help entrepreneurs get off the ground."
VOA: special.2010.05.10
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This is a much more efficient way to get DNA for a gene that you're interested for a couple of reasons.
用这个办法能更有效率地获取你,感兴趣的基因的DNA,原因如下
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The hotels use energy-saving lights and appliances, buy local wine and produce for their restaurants, compost organic waste, donate old linens and towels to charities, and use an energy-efficient, "green" local laundry.
VOA: standard.2009.03.30
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This was the special value that said to the computer string stops here and because you have that barrier given to you at the end of every string, just the most efficient way you can pass strings around is just by passing the address of their very first bytes, the location in RAM.
这是一个特殊的值，表示的是,字符串在这里结束，因为在每个字符串的末尾,都有那个关卡，这是一个最有效率的方式，你可以通过传递,字符串的第一个字节的地址来传递一个字符串，地址是在RAM中的。
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"Two-point-four billion dollars in highly competitive grants to develop the next generation of fuel-efficient cars and trucks, powered by the next generation of battery technologies all made right here in the U.S.of A,"
VOA: standard.2009.08.05
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There are a lot of people that can do work, and if you have a more efficient way to manage a large crowd of engineers, you can be very competitive in the technology world.
人们的工作能力毋庸置疑，如果你能够有效管理,一个大的团队，那么在这个领域，你的竞争力就提升了。
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are very similar genetically. "And that's a real problem when you're trying to overcome new insect or disease threats or pressures, or trying to breed a plant that's more water efficient, or even finding genetic variation for water production."
VOA: standard.2010.02.01
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I think they're working too little here compared to what's efficient.
我认为他们没有达到最优效率
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He's also decided to give up leadership in Light up the World Foundation to start a company in India that will develop a more energy-efficient and cheaper lighting system that he hopes will bring even more light to the world's poor.
VOA: standard.2009.12.13
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I think that just means they have to be more efficient
我觉得这只能说明他们需要变得更有效率，
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We have to invent a process, a chemical extraction process that will make the production of magnesium cheaper so that we will have the opportunity to avail ourselves of energy-efficient materials.
我们必须发明出一种方法，一种化学提炼方法,能够使生产镁变得更便宜,那样我们才有机会,让我们自己用上高效能的材料。
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Now, the Renaissance city-states of Italy had relatively efficient administrations, to be sure.
有一点应该明确,文艺复兴时期时,意大利的城邦国家就已经出现了相对高效的官僚政府
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One of the things we want to help you do is identify the different classes of algorithms, what their costs are, and how you can map problems into the most efficient class to do the computation.
我们想要教会你们的事情之一就是,学会辨别不同种类的算法，它们的代价是怎么样的，以及怎么样把问题映射到,最有效的算法种类中去做计算。
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in my description of what it meant to have the Efficient Market Hypothesis.
之前我描述有效率市场假说的时候,对你们说了些假话。
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That means that you want to pick, ultimately, a point on this-- this line is tangent to the efficient portfolio frontier with all the other assets in it.
那意味着你会最终会在这上面选一个点-,这条直线是与有效边界相切的,后者包含了所有的资产组合。
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So to just preface what we're going to do next time, what would happen if I wanted to do sort, and rather than in sorting the entire list at once, I broke it into pieces, and sorted the pieces, and then just figured out a very efficient way to bring those two pieces and merge them back together again?
所以为了引导下一次,我们要讲的内容,如果我想做排序,而且不是一次吧整个列表排完,会发生什么，我把它拆成小的列表,然后把各个小列表排序,接着用高效的方法再把小的列表？
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On the other hand--and this is something that I want to emphasize-- you don't want to carry that too far and one of the lessons of behavioral finance is that markets are not really efficient in a global sense.
而另一方面,我想强调的是...,不要认为这就是真理,行为经济学中的一课就说,从全球的角度看,市场并非全然是有效的
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The only other thing--then next period we're going to talk-- on Friday we're meeting again and we're meeting again about-- this time it's about efficient markets and I want to talk about the evidence for efficient markets and against it and that will lead you into your third problem set about efficient markets.
下节课的主题是,我们将在周五的课上讨论,有效市场问题,我要讨论关于支持和反对,有效市场的证据,那时你们可以开始做,第三本习题集,是关于有效市场的
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Now we need to think about a model of the stock market And the model we're going to use is based on what's called the Efficient Market Hypothesis.
现在需要想一想一个股市的模型是怎样的,我们要用的模型是,基于有效率市场假说的。
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Because of that, in order to efficient function, then you group all the like activities together.
所以,为了使各种生理功能更加高效化,你就得把各种相似的生命活动分在一起
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That's what we have to know to compute the efficient portfolio frontier with three assets.
这些都是计算三种资产的有效边界,所需要用到的。
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What is the most efficient way to store a million 32-bit integers?
存储一百万个32比特整数的,最有效的方法是什么？
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Some of those countries are really reliant on oil, ... so they really have to do-- they really should do a calculation of efficient portfolio frontiers.
有些国家过于依赖石油了，所以他们真的需要-,他们真的应该好好算一算,有效边界。
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