\begin{table} %t3
\caption{\label{tab3}Redshift-identification and spectral types of the galaxies in the three fields. "ELGs'' means "Emission Line Galaxies'',  "ETGs'' means "Early-Type Galaxies'',  
"$z$-poor'' means the redshift can be gotten even the Type is not clear from the spectrum. }  
%\centering
\par
 \begin{tabular}{cc|cccccccc|cccc} 
 \hline\hline
Fields & Objects & \multicolumn{3}{c} {ELGs}                                            &  ETGs & Stars &  QSO & $z$-     & $z$-      & \multicolumn{2}{c} {Redshifts}                       & Redshift    & median     \\ \cline{3-5}\cline{11-12}
       &         & \multicolumn{2}{c}{ISO}    &\multicolumn{1}{c}{non-ISO}              &       &       &      & poor   & unknown & \multicolumn{1}{c}{ISO} &\multicolumn{1}{c}{non-ISO} & identified  &  $z$        \\ \cline{3-4}
       &         & \multicolumn{1}{c}{$z >0.4$} & \multicolumn{1}{c}{$z \leq0.4$}     &       &       &      &        &         & & &   &                \\ \hline
CFRS   & 34      & \multicolumn{1}{c}{16} & \multicolumn{1}{c}{5}  &\multicolumn{1}{c}{4} & 3    &  1    &  1   & 2     &   2     & \multicolumn{1}{c}{25} &\multicolumn{1}{c}{7}  &  94.12 \% & 0.525    \\ 
UDSR   & 35      & \multicolumn{1}{c}{14} & \multicolumn{1}{c}{8}  &\multicolumn{1}{c}{1} & 2    &  2    &  0   & 3     &   5     & \multicolumn{1}{c}{28} &\multicolumn{1}{c}{2}  &  85.71 \% & 0.521    \\  
UDSF   & 36      & \multicolumn{1}{c}{21} & \multicolumn{1}{c}{2}  &\multicolumn{1}{c}{4} & 2    &  0    &  0   & 1     &   6     & \multicolumn{1}{c}{24} &\multicolumn{1}{c}{6}  &  83.33 \% & 0.698    \\ \hline
Three fields& 105& \multicolumn{1}{c}{51} & \multicolumn{1}{c}{15} &\multicolumn{1}{c}{9} & 7    &  3    &  1   & 6     &   13    & \multicolumn{1}{c}{77} &\multicolumn{1}{c}{15} &  87.62 \% & 0.587    \\ \hline
 \end{tabular} 
\par
\end{table}