从观察和实验中得到的证据经常被用来证实科学理论。

Evidence obtained from observation and experiment is often used to confirm a scientific theory.

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马可尼的例子表明，在科学技术的进步中，理论概念和实验是相辅相成的。

Marconi's example demonstrates that theoretical concepts and experiments complement each other in making progress in science and technology.

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In addition to many lectures, we have the working groups pleased to do both experiments and to do problem-solving exercises.

我们不仅有讲座，还有不同的小组,他们将做实验,和解决问题的练习。

麻省理工公开课 - 媒体、教育、市场课程节选

On the other hand, temperature, volume and pressure are variables that are much easier in the lab to keep constant.

另一方面，温度，体积和压强,在实验室中比较容易保持恒定。

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And there was an idea that we exercised with the phonebook which was this notion of dividing and conquering.

我们在进行电话簿实验时用到了一种思想,它就是划分和征服。

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