основна система радіозв'язку
scheme of maneuver
artillery fire scheme (fire layout)
mobilization scheme
scheme of fires
tie-down scheme
automotive parts identification scheme
double-cycle scheme high rate-of-fire rifle
interworking scheme
engine certification scheme
noise certification scheme
scheme of command
scheme trail line (tag line)
main defense area (line) / main defensive position
main tank/ main fuel tank
main gear box / main rotor transmission
main rotor transmission / main gear box
main-rotor head / main-rotor hub
main-rotor hub / main-rotor head
direction of the main blow
main (fighting) force(s)
Main Air Traffic Flow Management Centre (MATFMC)
Main Armaments Directorate of the RF Armed Forces
main attack
main ballast tank
main base
main battery
main battle area (MBA)
main battle force
main battle tank (MBT)
main blow
main body
main charge