one-side
one-sided
one-spot
one-stage
one-time
one-touch
one-way
one-wire
on-hook
on-hook-signal
  on-line
online
only
on-net
on-off
on-the-air
open
open-and-shut
open-circuit
open-circuited
open-cycle

    on-line data processing

    централизованная обработка данных