The research includes two experiments done through measuring the reaction time.

研究包含两个实验，均采用反应时测量的方法。

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But this is not really the case according to research and experiments done in this field.

但这并不是真的在这个领域的研究和实验。

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The team knew from experiments done by other groups of researchers that ultrasound can have a physical effect on tissue.

根据其他研究团队既往的试验，该小组认识到超声波可对组织产生物理效应。

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A third finding comes from experiments done by a colleague.

第三个研究成果来自我的一位同事的实验。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

The other aspect of this that I really appreciate is the fact that the experiments are done in the context of the lectures.

另一方面,也是我非常喜欢的一点,就是这些实验是,在讲座的背景下进行的。

麻省理工公开课 - 媒体、教育、市场课程节选

People have done experiments through the ages, and they've accumulated the knowledge from these experiments, and they've synthesized these experiments into a few basic empirical rules, empirical laws, which are the laws of thermodynamics.

很长的时期内，人们做了大量的实验，从这些实验中积累知识,将这些实验总结成一些基本的经验法则和定律，这就是热力学的定律,然后，人们给这些定律添加，数学架构。

麻省理工公开课 - 热力学与动力学课程节选

However, implementing the rules governing human experiments done with federal money is already immensely complicated.

ECONOMIST: Don��t let it happen again

The experiments done into IHDs use samples that are too small, and their results are inconclusive, he suggests.

BBC: Technology

The Global Chemistry Experiment (Water: A Chemical Solution), a cornerstone event of the International Year of Chemistry 2011, is now one of the largest chemistry educational experiments done.

UNESCO: Social and Human Sciences