What does FB mean in NASA?
This page is about the meanings of the acronym/abbreviation/shorthand FB in the Governmental field in general and in the NASA terminology in particular.
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What does FB mean?
- the return of part of the output of a circuit, system, or device to the input, either purposely or unintentionally, as in the reflux of sound from a loudspeaker to a microphone in a public-address system.