Power is largely concentrated in the hands of a small elite.

权力主要集中在少数精英人物的手里。

《牛津词典》

These foreigners mainly concentrated in a small North Road, West Xia Tang, Bao Han st., and other life.

这些外国人主要集中在小北路、下塘西路、宝汉直街等地生活。

youdao

However, it becomes highly concentrated in small areas, reaching up to 3,000 times stronger than usual.

然而，它却在一些小区域被集中起来，在那里达到一般强度的3000倍。

youdao

It can become concentrated in small areas and then disappear.

VOA: special.2009.12.30

She had long, thin limbs and a small, very concentrated face whose severe features were drawn dramatically forward, culminating in a sharply pointed nose.

NEWYORKER: The Valetudinarian

But others point out that while this is the case, the pyres are concentrated in small areas rather than spread throughout the nation.

BBC: Foot-and-mouth pyres: Dioxin danger?

Yet the nature of m-commerce transactions, most relatively small in size and concentrated on items that are time- or location-sensitive, will limit the overall size of the m-commerce market.

ECONOMIST: Waves of the future