From just these three simple examples, you can see that gnuplot understands PI and has a rich and natural vocabulary of mathematical functions.

从刚才这三个简单的例子，您可以看到gnuplot能够理解pi并具有丰富的自带数学函数词汇表。

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So what we see is that those six pi electrons are actually going to be de-localized around all six of those atoms.

我们看到,六个π电子会,巡游在所有六个原子周围。

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Both the CLPA and PI expect to see the first supported products coming to market sometime in 2017, with some partners already showing enthusiasm for the new collaboration.

CLPA和PI均希望在2017年某个时候看到第一批支持产品上市，而一些合作伙伴表现出对新合作的极大热情。

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So let's have a clicker question here on how many total pi bonds do you expect to see in benzene?

让我们来做个课堂习题,你们觉得苯环里有一共多少个π键？

麻省理工公开课 - 化学原理课程节选

So what we see is that those six pi electrons are actually going to be de-localized around all six of those atoms.

我们看到,六个π电子会,巡游在所有六个原子周围。

麻省理工公开课 - 化学原理课程节选

And we can simplify this expression as saying negative e squared over 4 pi, epsilon nought r squared. Epsilon nought is a constant, it's something you might see in physics as well.

也会遇到它,在这里，你可以就把它,理解为一个转换系数,我们需要做的。

麻省理工公开课 - 化学原理课程节选

As you can see in the graph to the right, the temperature trends from the PI strongly correlate with that from MLOST.

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Can you imagine teens lining up to see Silver Linings Playbook (about two depressed people finding love) or Life of Pi?

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