These are physical knobs that are available us as experimentalists. And so when we turn these knobs on our system, we want to know how the enthalpy is changing for that system.

这些都是我们做实验可,以得到的物理变量,所以当我们在系统中,改变这些量的时候。

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And therefore, they are not systematic about interpreting the results.

预期的正确实验结果，因此,他们就没法做到系统化的去分析结果了。

麻省理工公开课 - 计算机科学及编程导论课程节选

So what we have to do, of course, is take it in to the lab and do this in a more systematic way with random assignment.

因此，我们必须做的是，把实验带回实验室,在随机安排下，更系统地做这个实验。

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And right before the last slide, what does it look like in the lab, what we have been able to achieve is a system that performs about 15 words per minute.

在看最后一张幻灯片之前，我们了解了实验室要做的事情，我们能够建立一个系统,每分钟输出15个单词。

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