促进和支持科学证据的形成；

promoting and supporting the generation of scientific evidence; and

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该指南以对现有科学证据的详细评估为基础。

These guidelines are based on a detailed assessment of the available scientific evidence.

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但直到最近几十年，这一事实才有了科学证据的支持。

But only in recent decades has scientific evidence backed this up.

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And as a result of writing it down and keeping track, he produced a very clear record, and scientific evidence, that using this procedure could protect a population of people from the disease.

凭借他的持续关注和追踪,他做出了十分清晰的记录,留下了科学证据,证明这种方法,可以让人们不再得这种病

耶鲁公开课 - 生物医学工程探索课程节选