What does it mean?
Technology
Business
Society
Internet
Authority
Science
Various
World
Medical
F/F
means Fill/Full, Full/Fill in
NASA
Similar to F/F
ABV
- Above
ABV
- Air Bubble Vehicle
AC
- Aerodynamic Center
AC
- Comptroller Office
AC
- Alternating Current
AC
- Assembly Complete
ACBM
- Active Common Berthing Mechanism
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