A-DTMC
A-DTMC stands for Absorbing Discrete-Time Markov Chain
A-E
A-E stands for Architect-Engineer
A-ECM
A-ECM stands for Augmented Equivalent Circuit Model (microwave devices)
A-EMCA
A-EMCA stands for Advanced-Emergency Medical Care Assistant
A-ENWG
A-ENWG stands for Ada-Europe Numerics Working Group (est. 1984)
A-FSM
A-FSM stands for Adaptation Finite State Machine (algorithms)
A-GNSS
A-GNSS stands for Assisted Global Navigation Satellite System (also seen as AGNSS)
A-HPLD
A-HPLD stands for Atwood-Hammond Public Library District (Illinois)
A-IE
A-IE stands for Aperture Integral Equation
A-LCMR
A-LCMR stands for Advanced Lightweight Counter Mortar Radar (US Army)