Well, let's do the smoke test number one: is the mean more or less what we expected?

好了，让我们先做1号发烟测试：,这个平均值是和我们想要的答案差不多吗？

麻省理工公开课 - 计算机科学及编程导论课程节选

Well because you can, because it's less expensive to do so than it is elsewhere in the world and people naturally like sweet tastes.

一是因为你能做到,二是因为这么做的成本比在其他国家低,更何况人们天生喜欢甜味

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Well, they still do massively, although a little bit less than they used to.

虽然相对以前有所减少,但他们仍旧大规模的按照既往行事

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So in this experiment here, delta p is less than zero. You need to have this whole thing greater than zero. So delta T is less than zero as well. So if you're below the inversion temperature and you do the Joule-Thomson experiment, you're going to end up with something that's colder on this side than that side.

所以在这个实验中，Δp小于零,这全部都大于零,因此ΔT也小于零,所以如果在低于转变,温度的情况下做焦耳-汤姆孙实验,最后的结果是,这边的温度比这边低。

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