实验结果表明：混凝过程主要去除分子量大于6000的有机物，去除率达到40%；

The results showed that: coagulation mainly remove organic matters with molecular weight higher than 6000, the removal effect can gain 40%;

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但一位睿智的博主曾经说过争论就要争论主要的观点，而不要去计较边边角角的问题。

But a wise blogger once said that it's a good principle to argue about other people's main points, not to quibble over side issues.

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他的主要目的就要去查出他们在克拉普汗所搭乘的那辆出租马车的号码。

His principal object must be to discover the number of the hackney coach which took them from Clapham.

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And the reason for this was mostly to, because we realized that the people around you, at your school, are the people who you want to look at mostly anyway.

这样做的原因主要是，我们发现，人们更乐于去了解同校生,或者身边的人的信息。

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But I really go because of the architecture of the building, which it was designed by Frank Lloyd Wright.

但我去那里主要是看弗兰克•劳埃德•赖特的建筑设计。

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OK. So to do this, we need a little more abstract way of talking about efficiency, and so, the question is, how do we think about efficiency? Typically there's two things we want to measure.

好，为了达到这个目的,我们需要用一种有点，抽象的方式去讨论效率，这衍生出来,一个问题，我们该怎么去认识效率？,主要来说我们有两个要量化的东西。

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