acoustic emission technique 
Acoustic Emission Testing 
actual evapotranspiration 
Aerospace Environmental Technology 
Airfields Environment Trust 
Apparent Effects Thresholds 
Application Entity Title 
Army Extension Training 
Academic Enhancement Team 
accelerated environmental test 
Accounting Entry Template 
acid exposure time 
Acoustic Emission Technology 
Acoustic Emission Test 
Action in Education Team 
Actual Exposure Time 
Advanced Educational Technology 
Advanced Electromagnetic Technologies 
Advanced Engine Technology 
Advanced Entry Training 
Aerobic Threshold 
Aeronautical Radio of Thailand 
Aerosurface End-to-end Test 
aetatis 
Aetna Inc. 
aged 
Agricultural Education and Training 
Algorithm Evaluation and Test 
alpha-ethyltryptamine 
Alternative Energy Technology