дуплексний канал зв’язку
half-duplex channel
two-seat / two seat
two-way radio
two-way alternate communication
two-way communication
two-way audiolink
one-way UAV / one-way attack UAV (OWA UAV)
one-way channel
one-way transmission channel
duplex communications
half-duplex
duplex
duplex load
duplex pump
duplex-geared pump
duplex communication
stabilized in two axes
two brigades abreast
two-cycle engine
two-handed riot baton
two-man foxhole
two-prong attack
two-sided exercise
two-stage missile / rocket / vehicle
two-stage solid-propellant ballistic vehicle
two-up formation
two-lane all-weather road
bi-strategic command (Bi-SC) (of the two Strategic Commands )
two-crewmember cockpit
two-man fire trench
four by two
two-aircrew aircraft