资料来源 : Free On-Line Dictionary of Computing

BNC
     
         A connector for {coaxial cable} such as that used
        for some video connections and {RG58} "{cheapernet}"
        connections.  A BNC connector has a bayonet-type shell with
        two small knobs on the female connector which lock into spiral
        slots in the male connector when it is twisted on.
     
        Different sources expand BNC as Bayonet Navy Connector,
        British Naval Connector, Bayonet Neill Concelman, or Bayonet
        Nut Connection.
     
        (1995-09-18)