She recently completed an extensive study of elected officials who began their political careers before the age of 35.

她最近完成了一项对35岁前开始政治生涯的当选的官员的广泛研究。

《柯林斯英汉双解大词典》

The nature of all kinds of membranes is a subject of extensive study.

各种膜的性质是一个进行广泛研究的题目。

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In 1900 George Clinch published a new, extensive study in The Reliquary and Illustrated Archaeologist.

1900年乔治·克林齐在期刊《圣物箱与插图考古学家》中发表了一项全新的深入研究。

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It's even possible that, like Claritin, it wouldn't cause drowsiness--although extensive study would be necessary to find that out.

FORBES: Pharmaceuticals

But I welcome the fact that the parliament in Pakistan is reviewing, after some extensive study, the nature of this relationship.

WHITEHOUSE: President Obama��s Bilateral Meeting with Prime Minister Gilani of Pakistan | The White House

However, after extensive study of the library's conception and construction I have become convinced that irreversible changes of this magnitude should not be made in this landmark building.

WSJ: New York Public Library | Undertaking Its Destruction | By Ada Louise Huxtable