This extension is known as the Grothendieck group.

这个扩展被称为格罗坦狄克群。

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Category-the category from the PropertyContributor extension point used to group tabs.

category——PropertyContributor扩展点中用于将选项卡分组的类别。

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Wrist extension was significantly better in the dynamic fixator group in comparison with the static fixator group at all follow-up times.

随着随访次数的延长，动态固定器组在腕关节伸展方面明显优于静态固定器组。

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We have 90 extension school students who are taking the course via distance education, so we have a huge group that will be joining us at the 2010 CS50 fair and the those photos you saw a moment ago depicted 2009's.

这里有90个来自哈佛开放学院的学生,他们正在通过远程教育来学习这门课程，所以参加2010年CS50课程的团体是很庞大的,刚才你们看到的图片显示的是,2009年的数据。

哈佛公开课 - 计算机科学课程节选

This would provide more incentive to young players to be the one of the group that earns an early extension, and give teams a bit of leverage in playing one player against another for that one deal.

FORBES: Analysis

The bipartisan group proposed a three-month extension to continue debate and amend certain provisions.

CNN: Bush: Senate vote on Patriot Act 'irresponsible'

By extension, when First Group and Virgin made their bids to run the line that connects London with Manchester and Glasgow, it would have been reasonable to expect the Department for Transport to put a much greater weight on revenues the companies expect to generate in the first five to ten years than in the latter five years.

BBC: What derailed the Transport Department