According to the study, two factors were important for lake formation in the Empty Quarter: first the rains that fell there were torrential.

根据这项研究，有两个因素对“空白之地”湖泊的形成很重要：首先，那里的降雨十分猛烈。

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The formation of the isthmus had important consequences for global patterns of ocean water flow.

地峡的形成对全球洋流格局产生了重要的影响。

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Given the extraordinary diversity of life on the planet, there must be mechanisms for speciation: the formation of two species from one original species.

考虑到地球上的生命的非凡多样性，一定存在着形成物种的机制：从一个原始物种演变为两个物种。

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For example, genes direct formation of the fetus's brain at set times in a woman's pregnancy.

VOA: special.2010.03.23

So by using the tabulated data, we can really determined heats of formation for most reactions that you might contemplate, OK?

所以，使用这些表格,我们就能确定大多数,你可能碰到的反应的生成热？

麻省理工公开课 - 热力学与动力学课程节选

So there are two other models, then, models different from the immigration model, two other models for understanding the formation of Israel, that build on this archaeological evidence.

那么还有两个其他的模型，与移民模型不同的两个模型，这两个模型也是为了说明以色列的形成，它们是依据考古学证据。

耶鲁公开课 - 旧约导论课程节选

Opus Dei is responsible for formation, and its members do the rest.

NPR: A Glimpse Inside a Catholic 'Force': Opus Dei

In 1990, the SEC issued the Investment Company Act Release No. 17809 and ultimately paved the way for the formation of mutual funds that allowed for share creation and redemption during the day.

FORBES: ETFs Turn 20-Years Old in the U.S.

Becoming a proponent of Mr Sharon's unilateral disengagement and latterly backing former US President George W Bush's call for the formation of a Palestinian state was a major ideological transition for Ms Livni.

BBC: Profile: Tzipi Livni