\documentclass[]{jsbook}
\usepackage{psfrag,graphicx,color,defvar2,eclepsf,othermac}
\pagestyle{empty}
\begin{document}
\newlength{\figwidthtmp}
\setlength{\figwidthtmp}{0.6\figbasewidth}

\footnotesize
%\setlength{\fboxrule}{0.03mm}
\centering

% \epsfile[
% %\EPSFSCALE
% \epsfat(55mm,-6mm){$\delta$\deg}
% \epsfat(-5mm,45mm){\parbox{2.5em}{\centering$\omega$\\\pu}}
% ]{file=eps-ac/att-U3.08.eps,width=0.48\figwidthtmp}
% 
% 
% \hspace{1em}
% %
% \epsfile[
% %\EPSFSCALE
% \epsfat(40mm,-5mm){$\eqD$\pu}
% \epsfat(-20mm,43mm){\parbox{2.5em}{\centering\gV\\\pu}}
% ]{file=eps-ac/att-U3.08a.eps,width=0.42\figwidthtmp}
% 
% \medskip
% \UlV=3.08 (\tdoD=5 s, \TV=0.7 s)
% \bigskip

\epsfile[
%\EPSFSCALE
\epsfat(55mm,-6mm){$\delta$\deg}
\epsfat(-5mm,45mm){\parbox{2.5em}{\centering$\omega$\\\pu}}
]{file=eps-ac/att-U2.6.eps,width=0.48\figwidthtmp}
%
\hspace{1em}
%
\epsfile[
%\EPSFSCALE
\epsfat(40mm,-5mm){$\eqD$\pu}
\epsfat(-20mm,43mm){\parbox{2.5em}{\centering\gV\\\pu}}
]{file=eps-ac/att-U2.6a.eps,width=0.42\figwidthtmp}

\medskip
\UlV=2.6 (\tdoD=4 s, \TV=0.7 s)
\bigskip

\hspace{0.1em}
\epsfile[
%\EPSFSCALE
\epsfat(55mm,-6mm){$\delta$\deg}
\epsfat(-18mm,48mm){\parbox{2.5em}{\centering$\omega$\\\pu}}
]{file=eps-ac/att-U2.2.eps,width=0.48\figwidthtmp}
%
\hspace{1em}
%
\raisebox{-0.2zh}{
\epsfile[
%\EPSFSCALE
\epsfat(40mm,-5mm){$\eqD$\pu}
\epsfat(-20mm,43mm){\parbox{2.5em}{\centering\gV\\\pu}}
]{file=eps-ac/att-U2.2a.eps,width=0.40\figwidthtmp}
}

\medskip
\UlV=2.2 (\tdoD=3 s, \TV=0.7 s)
\bigskip

%%%%%%%%%%%%%%%%%%%%%%%%
\end{document}
