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Two opposing scenarios, the "arboreal" hypothesis and the "cursorial" hypothesis, have traditionally been put forward concerning the origins of bird flight.

关于鸟类飞行的起源，传统上提出了两种对立的假设：“地栖说”和“树栖说”。

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Birds were also widely used in studies of the niche hypothesis and Georgii Gause's competitive exclusion principle.

鸟类也被广泛应用于生态位假说和乔治高斯竞争排斥原理的研究中。

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"People can look at things and be curious about them, but if you are an explorer you want to know why and how and maybe develop an experiment to test the hypothesis."

VOA: standard.2010.06.21

And we put up this hypothesis that our observation is that octet stability seems to be an attractive electron configuration.

我们把假设置于我们的观察之上,即8电子稳定体系,似乎是一种吸引人的电子图像。

麻省理工公开课 - 固态化学导论课程节选

If our estimates are off then the hypothesis makes no sense, so maybe there's no relationship between dietary fat and breast cancer.

如果评估是无关联的,那这个假说也就没有意义,那么在膳食脂肪和乳腺癌之间,也许没有任何关系

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

They therefore conclude that estimates of damages based on the hypothesis and on share-price movements will be overstated.

ECONOMIST: The efficient markets hypothesis can land you in jail

It snowballed into an idea and a hypothesis and then an entry into 'So You Want To Be a Scientist?

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Applying the skills they learned from the Entrepreneurs Challenge, the two founders further tested their business hypothesis and scaled the business.

FORBES: From $75K To $500K: How NYU Entrepreneurs Challenge Kickstarted CourseHorse