Atomic Energy Commission 
Army Evaluation Center 
Army Environmental Center 
African Economic Community 
Acoustic Echo Cancellation 
Address Element Correction 
A.E.C. 
Advanced Error Correction 
Advisory Expert Council 
Architectural, Engineering and Constru… 
Associate Enforcement Counsels 
Australian Education Council 
Automatic Exposure Control 
Aviation Electronic Combat 
acceptable effluent concentration 
Acoustic Echo Canceller 
Acoustic Echo Control 
Additional Extended Coverage 
adenylate energy charge 
Aft End Cone 
Aft Events Controller 
AFT Exit Cone 
Agency Emergency Coordinator 
Alternate Exchange Carrier 
anion exchange chromatography 
Architectural Engineering Construction 
Architecture, Engineering and Construc… 
Area Equipment Compound 
Area of Environmental Concern 
Ars Electronica Center