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So we've seen one example of this, this idea of walking through all the integers looking for the square root.
现在计算机速度很快了，我可以把这个数字设的更大点,计算机会去很快的做这个事情。
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But the problems can grow much faster than you can get a performance boost out of the computer.
对，电脑运行速度是很快,但是问题的规模增长的。
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You do it so quickly that the heat flow between the inside of the bicycle pump and the outside is too slow compared to the speed at which you compress.
我们用力很大,于是压缩得很快,打气筒内外热传递的速度,与之相比要慢得多。
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The second thing is that this is still not lightening fast.
第二，发光的速度还不是很快。
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They were speeding the mail so that it didn't have to wait to sort it before it went on the train-- it was sorted while it was moving on the train.
发信速度很快,以致于在上火车之前不再需要,等着分类整理-,可以边坐火车边整理。
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The reason--unless you can take about eight hours to do it--because, the way you're going to do it is you're going to take a train that goes one hour and fifty-eight minutes to Paris, and then you're going to take another train that zips down here in about four hours to Bordeaux, but you're paying by kilometer.
除非你想坐八个小时的火车,因为,你要走的路是,坐上火车,先花一小时五十八分钟去巴黎,然后以很快的速度用四小时到这儿,波尔多,按公里计费
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Of course, if you degrade the messenger RNA at a rapid rate then you'll stop expression of the cells.
如果降解信使RNA的速度很快的话,就会停止细胞的表达
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and we like log algorithms, because they're really fast. A typical characteristic of a log algorithm is a pro-- or sorry, an algorithm where it reduces the size of the problem by a constant factor.
并且我们也很喜欢对数算法,因为它很快,对数算法的典型特性是高速，哦，抱歉，是他能以常数因子的速度,降低问题的大小，很明显。
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And I can do that very fast.
而且我完成的速度会很快。
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