\usepackage{graphicx} \begin{figure}[htbp] \centering \begin{minipage}[t]{0.30\columnwidth} \centering \includegraphics[width=0.9\columnwidth]{elsarticle-template.pdf} \caption{Dialogue Rounds of Traditional Free Q\&A strategy} \label{dia_round_e0} \end{minipage} \begin{minipage}[t]{0.30\columnwidth} \centering \includegraphics[width=0.9\columnwidth]{elsarticle-template.pdf} \caption{Result Coverage of Traditional Free Q\&A strategy} \label{res_cov_e0} \end{minipage} \begin{minipage}[t]{0.30\columnwidth} \centering \includegraphics[width=0.9\columnwidth]{elsarticle-template.pdf} \caption{Result Coverage of Traditional Free Q\&A strategy} \label{res_cov_e0111} \end{minipage} \end{figure}
\begin{figure} \centering \subfigure[User Actual Intention]{ \begin{minipage}[htbp]{0.3\columnwidth} \includegraphics[width=0.9\columnwidth]{elsarticle-template.pdf} \label{unlimited_dialogue_strategy_origin} \end{minipage} } \subfigure[Dialogue Record Process]{ \begin{minipage}[htbp]{0.3\columnwidth} \includegraphics[width=0.9\columnwidth]{elsarticle-template.pdf} \label{unlimited_dialogue_strategy_record} \end{minipage} } \subfigure[Rewrite User Intention]{ \begin{minipage}[htbp]{0.3\columnwidth} \includegraphics[width=0.9\columnwidth]{elsarticle-template.pdf} \label{unlimited_dialogue_strategy_generate} \end{minipage} } \end{figure}
