витрата палива (кілограм/секунда)
meter-kilogram-second-ampere system (MKSA)
fuel flow
fuel flow control unit
Proton Exchange Membrane Fuel Cell (PEM fuel cell, PEMFC)
meters per second (m/s)
second in command (2i/c , 2IC)
second lieutenant
second order effect
floating-point operation per second (FLOP)
captain second rank
centimeter-gram-second (CGS)
meters per second (MPS)
second cause
second mean chord
additional second lieutenant
second-trip echo
second wave attack theory
second classman
second commander
second for service
second echelon maintenance
second element
second John
second level rater
second line
second line of defence
second strike force
second theater
second-in-command
second-line aircraft
second-mission aircraft
second-strike strategy