\begin{figure}[!t]
\centering
\subfigure[Number of elements read] {\includegraphics[height=2in,width=2in,angle=-90]{52.eps}}
\subfigure[Size of disk files scanned] {\includegraphics[height=2in,width=2in,angle=-90]{51.eps}}
\subfigure[Execution time] {\includegraphics[height=2in,width=2in,angle=-90]{53.eps}}
\caption{ PathStack versus TJFast using XMark data }
\label{fig5}
\end{figure}

這種方法很好，即插入三個子圖，可以將三個圖片合成一個大圖，而且每個圖片還可以添加caption,即于subfigure[]中內進行解釋說明。