algebraically equivalent path
equivalent frame girder and equivalent secondary g
Air Leakage Rate of Air Preheater
air to air heat recovery unit
air to air missile launching envelope
arctic air [= arctic air mass]
continental air [= continental air mass]
main air port exhaust air
marine air [= marine air mass
variable air volume (VAV) air conditioning system
variable air volume air conditioning system
(Strongly) Equivalent function
(Strongly) Topologically equivalent
1 D equivalent consolidation calculation
1-D equivalent linearization wave method