多个作者和从属关系标题幻灯片

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\title[]{ABCDE for analysis of PQRS systems}

\author[] {

      AA AAAA \inst{1}
         
      \and BB BBBB \inst{1}

      \and CC CCCC \inst{1}

      \and DD DDDD \inst{1} 

      \and EE EEEE\inst{2}

      \and FF FFFF\inst{3}

      \and GG GGGG \inst{3}}

\institute[]

  {

   \inst{1}%
   Department of UV, Univ. of XYZ

   \and

   \inst{2}%
   Department of MN, Univ. of XYZ 

   \and

   \inst{3}
   Advanced Centre for PQR

  }

\date[]{\today}

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