集中在的英文：
concertrated on

They have been directing their whole attention to this international conflict.
他们把全部的注意力都集中在这次国际纠纷上。

Concentric acquisition
集中收购

Centralized control
集中指挥

They massed the bands
他们把乐队集中起来。

Central purchasing
集中采购,统购

funnel all one's energies into a job
把全部精力集中在工作上

systems with lumped parameter
集中参数系统

The cable stays converge to a single point on the apex of the tower
纲索在塔架顶部集中在一点。

The press conference centered on the domestic problems
这次记者招待会集中在国内问题上。

The administration of the city schools was centralized during Mayor Jones's term of office
在琼斯市长任期内,市内学校曾集中管理。