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Back Surface Reflection
in NASA
Bite Status Register
in NASA
Basic System Release
in NASA
121639121640121641
Similar to BSR
AAFM - Acoustic Atomic Force Microscopy
AAR - After Action Review
AARL - Aeronautical and Astronautical Research Laboratory
AAV - Air Admittance Valve
AAV - Aerospace Audio- Visual
ABA - Astronaut Boarding Aircraft
ABC - Active Body Control
View all in NASA