\begin{figure}[tb] \begin{minipage}[b]{0.49\hsize} \begin{center} \includegraphics[scale=1.0]{./fig/1.eps} \caption{1} \label{fig:1} \end{center} \end{minipage} \begin{minipage}[b]{0.49\hsize} \begin{center} \includegraphics[scale=1.0]{./fig/2.eps} \caption{2} \label{fig:2} \end{center} \end{minipage} \end{figure}