додатковий вторинний фактор
additional selection factor
factor OT/BT (observer-target/battery-target factor)
observer-target / battery-target factor (factor OT/BT)
Q factor / quality factor
additional mass
additional failure
additional load
virtual mass / additional mass
additional charge
additional order
additional second lieutenant
additional service
additional training
secondary blast effect
secondary burn
secondary dogwatch
secondary effect of blast wave
secondary fire sector
secondary high explosive
secondary injuries
secondary item
secondary landing
secondary magazine
secondary military occupational specialty (MOS)
secondary objective / target
secondary port
secondary task
secondary water terminal
secondary sector of fire
secondary fragmentation
buddy secondary life support system
secondary system of fire control