\documentclass[]{jsbook}
\usepackage{psfrag,graphicx,color,defvar2,eclepsf,othermac}
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\begin{document}
\bf system1($B<B837OE}(B)$B$H(Bsystem2($B2>A[(B)$B$N%+%*%9E*?6Iq$$$NAj4X(B
\end{document}
