Latex单栏并排插图

\begin{figure}[!htb]
\begin{tabular}{cc}
\begin{minipage}[t]{0.48\linewidth}
    \includegraphics[width = 1\linewidth]{Graph6.eps}
    \caption{This figure shows the performance of retrieval from different methods.}
\end{minipage}
\begin{minipage}[t]{0.48\linewidth}
    \includegraphics[width = 1\linewidth]{Graph7.eps}
    \caption{This figure shows the performance of different methods in other evaluations.}
\end{minipage}
\end{tabular}
\end{figure}