The scientists knew that their experiment would succeed when the panda babies began to bite and eat bamboo all by themselves.

当熊猫宝宝开始自己可以啃咬竹子时，这些科学家知道他们的实验会成功的。

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The scientists knew from past research that triclosan has a powerful effect in blocking the action of a key enzyme that T. gondii uses to live.

科学家的发现来自于过去的研究，三氯生有能力阻断弓形体虫用于生存的关键酶。

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The experiment was double-blind-neither the subjects nor the scientists knew which liquid was which-a technique considered especially strong in research science.

因为使了一种被认为特别强的技术，这个实验是双盲的，无论实验对象还是科学家都不知道哪个液体是什么。

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The British scientists of the 18th Century knew all about longitude.

FORBES: Connect

The government presented internal industry documents that its lawyers hoped would indicate beyond doubt that scientists within the companies knew exactly what the true nature of tobacco was, even though the view presented to the public was much more benign.

BBC: NEWS | Business | Why tobacco was seen as a racket

The government will present a mountain of internal industry documents that its lawyers believe indicate beyond doubt that scientists within the companies knew exactly what the true nature of tobacco was, even as the view presented to the public was much more benign.

BBC: NEWS | Business | The $280bn question: is tobacco a racket?