The survey took place mainly in front of teaching building and administration building, and the objects were all the students in the school. …

调研地点主要集中在主教学楼和行政楼门口，调研对…

youdao

The looting took place mainly in the first, second and third districts of Marseilles, which connect the station to the harbor, where tourists must pass.

抢劫发生主要集中在第一，第二和第三的马赛地区，其中连接火车站到港口，旅客必须通过。

youdao

But what mainly took place was a diversion of demand to these particular products from others.

不过更主要的原因还是需求从其他地方转向了这些特定的产品。

youdao

That was mainly because devaluation took place in a deeply depressed economy with high unemployment.

ECONOMIST: Argentina's economy

The attack on the mainly Sikh village of Chattisinghpora, 70km south of the state capital Srinagar took place on Monday night.

BBC: Sikh protestors

As humans mainly lived close to the water, a large majority of humanity's development took place on areas that are now submerged.

UNESCO: Underwater Cultural Heritage