Terms for subject British

English	Russian
active aerial	активный излучатель
Active Traffic Management area	Зона активного регулирования дорожного движения (the scheme, called Active Traffic Management directs drivers to use the hard shoulder during times of peak congestion using electronic signs above each lane. Together with variable speed limits, which help smooth the flow of traffic, the scheme has had great success in reducing congestion. JoannaStark)
on active service	находящийся в действующей армии или флоте
on active service	находящийся в действующей армии