越来越多的研究人员和组织正在认真思考这个问题。

A growing number of researchers and organizations are now thinking seriously about that question.

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我们现在来看看不同的研究人员和组织正在进行的项目吧？

Shall we now have a look at the projects that different researchers and organisations are working on?

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几十年来，研究人员和执法机构一直试图制造出一种能做同样事情的机器。

For decades, researchers and law enforcement agencies have tried to build a machine that will do the same thing.

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And this is going to be a major international organization to help facilitate communication and collaboration among researchers and practitioners of positive psychology.

它将成为一个重要国际组织,帮助积极心理学的研究人员和应用者,更便利的交流与合作。

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And then the investigators actually measured these things, and found that with reported and actual energy intake, how many calories people were consuming, there was really quite a difference.

研究人员实际上得到了以下结果,实验对象汇报的和实际的能量摄入,也就是人们摄入的卡路里,两者有较大差异

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Then, they did preliminary studies of safety and effectiveness in people.

接着,研究人员对疫苗在人体中的,安全性和有效性进行初步研究

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