资料来源 : Free On-Line Dictionary of Computing

fat binary
     
         An executable file containing code for more
        than one {CPU}.  The correct code is selected automatically at
        run time.  This is convenient for distributing {software} and
        sharing it between multiple {platforms}.
     
        {NEXTSTEP} supports fat binaries, e.g. for {Motorola 68000},
        {Intel 80486} and {SPARC} ("triple fat").  {Mac OS} supports
        fat binaries for both {680x0} and {PowerPC} native code.
     
        [Other OSes?]
     
        (1995-09-23)