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\begin{figure*}
\psfrag{pe}[][][1.2]{$\varepsilon$}
\psfrag{pv}[][][1.2]{$v$}
\psfrag{pg}[][][1.2]{$g$}
\psfrag{pt}[][][1.2]{$T_1-T_2$}
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\end{figure*}

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