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This efficiency of the birch bark canoe also made an impression on newcomers to the area.

这种桦树皮独木舟的效率也给新来的人留下了深刻的印象。

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So that means we can rewrite this efficiency.

这意味着我们可以重写出效率。

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In principle, this value, this efficiency, can approach 1 as the low temperature approaches absolute zero.

这个值，效率，当低温热源的温度1,是据对零度时可以达到一。

麻省理工公开课 - 热力学与动力学课程节选

So that means we can rewrite this efficiency.

这意味着我们可以重写出效率。

麻省理工公开课 - 热力学与动力学课程节选

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。

麻省理工公开课 - 计算机科学及编程导论课程节选

This efficiency undoubtedly reduces the potential amount of time customers have to think about their purchases before they reach the register.

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And while this efficiency-oriented competition thrives on getting in your face at every possible moment, the quality of our lives is also driven out.

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California was able to achieve this efficiency by establishing building codes that require energy efficiency in new construction, and by stimulating private companies to improve the efficiency of their own operations.

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