因此，科学家们希望更多地了解乌鸦在它们的自然栖息地是如何活动的，而埃克塞特大学和牛津大学的一个研究小组正在新喀里多尼亚进行研究。

So scientists want to find out much more about how the crows behave in their native habitat, and a team from Exeter and Oxford universities is carrying out research in New Caledonia.

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为了探索太阳和其它恒星的工作原理，在早期观测活动后，科学家使用火箭开始在地球轨道上对太阳进行研究。

To learn more about how the sun and other stars work, after early observations using rockets, scientists began studying the sun from Earth orbit.

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通过对近年死去的白暨豚进行研究，结果表明，在死去的白暨豚中，有90%是由于人类活动而造成。

Research on some dead baiji collected in recent years showed that more than 90 per cent of the deaths were caused by human activities.

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