In two thousand five, a group of high school students brought legal action against a Pennsylvania school district.

VOA: special.2009.12.01

We'll come back to this in our example in the cardiovascular system when we're talking about the heart and we'll talk about how to measure the collective group of action potentials using EKG's.

这个我们回头再谈,等到我们在心血管系统的例子中,说到心脏时再说,我们会谈到如何通过,心电图测量群体动作电位

耶鲁公开课 - 生物医学工程探索课程节选

In two thousand one, a group of women took legal action against the company for sex discrimination.

VOA: special.2009.07.17

Rachna Dhingra represents the Bhopal Group for Information and Action, which has been working to rehabilitate and get justice for the victims of the gas leak.

VOA: standard.2010.06.10

In an effort similar to action in the House of Representatives, a bipartisan group of senators introduced legislation targeting Iran's gasoline imports, including companies supporting Iran's energy sector or insuring fuel shipments to Iran.

VOA: standard.2009.04.28