\begin{table}%t4 \caption{\label{comxj.02}Stellar populations in each subsample, i.e., results of fitting the combined spectra by using 15~SSPs ($Z=0.2~Z_{\odot}$) from BC03.} \small%\centerline { \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 & 41.6& 35.0& 3.9& 16.1& 56.2& 37.0& 47.9 \\ &intermediate & 45.4&43.7& 34.3& 51.1& 24.4& 57.1& 37.6 \\ &old& 13.0& 21.3& 61.8& 25.9& 19.4& 5.9& 14.5 \\ &power law & & & 0.0& 6.9& & & \\ \hline \end{tabular}} \medskip Notes: all columns have the same content as Table~\ref{comxj.15}. \vspace*{3mm} \end{table}