It will also help inform and shape public policy in this field.

这也会帮助获悉和形成在这一领域的公共政策。

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While scientists are shedding light on natural mechanisms that work to shape species, many questions in the field are brewing on the lab-bench.

正当科学家想让物种成形的自然机制透出光来(揭示其秘密)时，这个领域的许多问题也正在实验台上酝酿着。

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At the core of the motor are piezoelectric materials-special crystals or ceramics that change shape very slightly in the presence of an electric field.

这个马达的核心是压电材料-特殊晶体或陶瓷，这些材料在电场出现时形状改变非常小。

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Real signed one of the greatest players to have ever stepped onto a football field in the shape of Hungary's Ferenc Puskas in 1958 and saw off all comers until a Bela Guttmann-inspired Benfica broke the stranglehold in 1961.

CNN: February 12, 2013 -- Updated 1220 GMT (2020 HKT)

But what matters more than this one-day snapshot of the 2012 horse race are the dynamics determining the shape of the field.

CNN: Picking Bachmann or Perry is risky for GOP

Even if Paul doesn't become the nominee, he has the potential to shape the GOP field in a way that few others can at this point.

CNN: New leader of the GOP: Rand Paul