Historians use a wide range of primary and secondary sources for their research.

历史学家在研究中使用大量的原始资料和二手资料。

《牛津词典》

They used data from 86 countries for their research.

他们在研究中采用了来自86个国家的数据。

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With drug companies trying to get more bang for their research and development buck, look for the trend to continue.

制药企业正努力让他们在研发上的投入更加物有所值，所以你可以期待这种趋势会持续下去。

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Years later, Ms.Skloot began research for a book about Henrietta Lacks, her cells and their influence on medical and scientific history.

VOA: special.2010.07.21

Now a study by the Seattle Children's Research Institute shows how that idea can influence what parents order for their children.

VOA: special.2010.01.27

She says the common belief among doctors at the time was that they could use their patients in their research in exchange for free treatment.

VOA: special.2010.07.21

Why would a Merrill Lynch or other retail brokerage facilitate something that would surely alienate management causing them perhaps to lose access for their research department?

FORBES: Shareholders, Shake Off Your Apathy And Vote To Stop Tom Ward And Michael Dell

For their research, published in the journal Alcoholism: Clinical and Experimental Research, researchers led by Alexis Edwards of Virginia Commonwealth University studied more than 7, 000 fraternal and identical twins.

CNN: STORY HIGHLIGHTS

They used data from 86 countries for their research.

CNN: Does having children make you happy?