\documentclass[]{jsbook}
\usepackage{psfrag,graphicx,color,defvar2,eclepsf,othermac}
\pagestyle{empty}
\begin{document}
\centering

 \psfrag{t (sec)}[][]{{\footnotesize Time \ $t$ \sec}}
 \psfrag{dlt (deg)}[][]{{\footnotesize \dlt \deg}}
 \psfrag{omg (p.u.)}[][]{{\footnotesize \omg \pu}}

\newcommand{\bifuexplrow}[2]{
 \parbox{5em}{\footnotesize (#1) \GV = #2}
 \hspace{0.5em}
 \begin{minipage}{0.78\figbasewidth}
  \includegraphics[width=\textwidth,clip]{eps1/bifu002g-1#1-ts.eps}
 \end{minipage}
 \hspace{-1em}
 \begin{minipage}{0.27\figbasewidth}
  \includegraphics[width=\textwidth,clip]{eps1/bifu002g-1#1-tr.eps}
 \end{minipage}
 \medskip
}

\bifuexplrow{a}{90}

\bifuexplrow{b}{110}

% \bifuexplrow{c}{150}

% \bifuexplrow{d}{192}

% \bifuexplrow{e}{200}

\bifuexplrow{f}{210}

% {\small $B!J(B\dlt : $BH/EE5!Aj:93Q!$(B\omg : $B2sE>;RB.EYJP:9!K(B}

\bigskip
\bigskip

{
 \centering
 \psfrag{GV}[][]{{\footnotesize AVR gain \ \GV}}
 \psfrag{dlt_P (deg)}[][]{{\footnotesize \dlpoi \deg}}
 \psfrag{(a)}[b][b]{{\footnotesize (a)}}
 \psfrag{(b)}[b][b]{{\footnotesize (b)}}
 \psfrag{(c)}[b][b]{{\footnotesize (c)}}
 \psfrag{(d)}[b][b]{{\footnotesize (d)}}
 \psfrag{(e)}[b][b]{{\footnotesize (e)}}
 \psfrag{(f)}[b][b]{{\footnotesize (f)}}
 \includegraphics[width=0.95\figbasewidth,clip]{eps1/bifu002g-1L.eps}

% {\small $B!J(B\dlpoi : $B%]%"%s%+%lCGLL>e$NH/EE5!Aj:93Q$NCM!K(B}
\end{document}
