A recent study of some of the formations presents some new theories about the area's past.

最近针对一些地层的一项研究提出了一些关于该地区过去形态的新理论。

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Over the past three decades, the number of students leaving home each year to study abroad has grown at an annual rate of 3.9 percent, from 800,000 in 1975 to 3.5 million in 2008．

在过去的30年里，每年出国留学的学生人数以每年3.9%的速度增长，从1975年的80万人增长到2008年的350万人。

youdao

Over the past three decades the number of students leaving home each year to study abroad has grown at an annual rate of 3.9 percent, from 800,000 in 1975 to 3.5 million in 2008．

在过去的30年里，每年出国留学的学生人数以每年3.9%的速度增长，从1975年的80万人增长到2008年的350万人。

youdao

She moved from butterflies to biochemistry, and her research over the past three decades has revolutionized the study of skin and skin diseases.

VOA: standard.2010.03.29

Furthermore it would seem that the study of the great books or great thinkers of the past can easily degenerate into a kind of antiquarianism into a sort of pedantry.

更甚之,研究这些巨著或,过往的伟大思想家,更可能轻易地降格为古物癖,或是卖弄学问。

耶鲁公开课 - 政治哲学导论课程节选

So a good bit of what we know about diet and health now comes from studies like The Nurses' Health Study, and in the past, from studies like The Framingham Study and The Seven Country Study.

我们现在知道的关于饮食与健康的知识,相当大一部分来自于像,护士健康研究这样的调查,而在过去则是来自像弗明汉研究和,七国研究这样的项目

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The study of the past doesn't yield unalterable laws that allow one to predict the future with the same certainty that a physicist can chart the trajectory and velocity of a falling object.

NPR: 'Folly of Empire' Offers Critique of U.S. Imperialism

But now he says he and the other members of the Iraq Study Group are ignoring past errors and looking to what can be done in Iraq from here on.

NPR: Baker and Hamilton See Iraq's Future

Nothing, barely even a word of acknowledgment from the people who'd been citing the study and condemning people to the harmful effects of austerity for the past four years.

CNN: After Boston, nothing will change