the action of bringing something together again in a large number or amount in one particular area

A declaration of emergency entails a reconcentration of power in the hands of the executive. 宣布紧急状态意味着权力重新集中在行政部门手中。

This reduction in funding to the project will lead to a re-concentration of the poor in certain areas. 项目资金的减少将导致穷人在某些地区重新集居。

the action of making a liquid or substance stronger and reducing its size again, by removing water from it

Some of the processes lead to progressive dilution, others to physical or biological reconcentration. 一些过程导致逐渐稀释，其他过程导致物理性或生物性再浓缩。

He was involved in laboratory studies on the reconcentration of fission products and plutonium in sediments, seaweed and fish. 他参与了关于裂变产物和钚在沉积物、海藻和鱼类中再浓缩的实验室研究。