(ав.) індикатор барометричної висоти
head-up display / heads-up-display (HUD)
modular integrated display and sight helmet (Modular Integrated Display-And-Sight Helmet)
density of explosive
gas density
high-density metal
loading density
low-density minefield
pattern density function
traffic density
antitank density
high-density airspace control zone (HIDACZ)
high density shock tube
density of travel
ambient density
density balance
atmospheric density
standard density
surface of equal density
density gradient
density meter
density of a surface source
density of aerofoil
density of fluid
exospheric density
high density air traffic
high-density airport
high-density atmosphere
low density effect
low density gas
low-density atmosphere
pressure density integral
smoke density