资料来源 : Free On-Line Dictionary of Computing

fault tolerance
     
         1. The ability of a system or component to
        continue normal operation despite the presence of hardware or
        software faults.  This often involves some degree of
        {redundancy}.
     
        2. The number of faults a system or component can withstand
        before normal operation is impaired.
     
        (1995-04-06)