automatic frequency control
automatic frequency control circuit
automatic gain control
automatic gain control circuit
automatic graph
automatic grid bias
automatic hunting
automatic interrupter
automatic library call
automatic loader
automatic message
automatic message switching
automatic noise limiter
automatic phase control
automatic polling
automatic processing
automatic program generator
automatic programmed tool (APT)
automatic programming
automatic proof
automatic radio compass
automatic range tracking
automatic reading
automatic reasoning
automatic record changer
automatic recovery program
automatic redundancy
automatic regulator
automatic relay
automatic release