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\section{文献表}
文献\cite{Saito2006-169-176}
\cite{CRAWFPRD1995--}\cite{Proakis2007--}
\cite{Giorgetti2005-1037-1042,Giorgetti2005-794-798}
\cite{Haemaelaeinen2002-1712-1721}
\cite{Oetiker2011--}
\cite{刘彻东1998-38-39}

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