\begin{table}%t2
\caption{\label{xj.45}Stellar populations in each subsample, i.e., the results of fitting the combined spectra by using 45~SSPs from BC03.}
%\centering
\small
\begin{tabular}{cc|cccc|ccc}
\hline \hline
\multicolumn{2}{c|}{SSP}
  & \multicolumn{4}{c|}{Emission-line diagram}  &
\multicolumn{3}{c}{Star-forming in $L_{\rm IR}$ bins}   \\
  &  & star-forming & composite & LINER & Seyfert 2& ULIG\&LIG & starburst & normal \\
\hline
age& young  & 41.4& 30.2& 3.4& 15.1& 51.3& 32.6& 40.4  \\
&intermediate & 57.5& 65.2& 56.4& 68.5& 44.4& 63.4& 59.6 \\
&old& 1.1& 4.6& 29.9& 4.3& 4.3& 4.0& 0.0 \\
&power law & & &  10.3& 12.1& & &  \\
\hline
$Z/Z_{\odot}$ &0.2 &78.5& 84.8& 40.4& 44.& 71.9& 76.9& 42.7\\
 &1.0 & 14.4& 10.5& 40.4& 7.4& 19.0& 15.1& 14.4 \\
 & 2.5& 7.1& 4.7& 8.9& 36.5& 9.1& 8.0& 42.9\\
&power law & & & 10.3& 12.1& & &\\
\hline
\end{tabular}
\vspace*{5mm}
\end{table}