\begin{table}%t3
\caption{Model outputs for \IZ~NW: $N0$ and $M2$.}\label{tab_res}
\small%%\centerline
\par
 {
\begin{tabular}{l|r|rc|rc}
\hline\hline
Line id./Models & Obs.  & N0 & N0/O  &  M2  & M2/O\\
\hline
\multicolumn{5}{l}{} \\[-8pt]
\multicolumn{5}{l}{\ \underline{Absolute fluxes} ($I$(\hb) in 10$^{-14}$\ergcs)}\\
$I$(\hb)           & 5.6   & 5.6  & 1.00 &  5.6  & 1.00 \\
1.43$\:$GHz$\:$/mJy  & 0.433 & 0.240& 0.55 & 0.256 & 0.59 \\
8.45$\:$GHz$\:$/mJy  & 0.286 & 0.202& 0.71 & 0.216 & 0.76 \\
\multicolumn{5}{l}{\ \underline{Relative line fluxes} (wavelengths in \AA\ or $\mu$m)} \\
 \hi\ 4861       & 1000. &1000. & 1.00 & 1000. & 1.00 \\
 \hi\ 6563       & 2860. &2840. & 0.99 & 2830. & 0.99 \\
 \hi\ 4340       &  461. & 473. & 1.03 & 473.  & 1.03 \\
 \hi\ 4102       &  266. & 267. & 1.00 & 267.  & 1.00 \\
 \hi\ 1215 (/10)   &  --  &2950. &  --   & 3010. &  --   \\
 \hi\ 2$h\nu$ (/10)&  --  &1550. &  --   & 1620. &  --   \\
 \hei\ 3888      &  90.4 & 89.6 & 0.99 &  90.5 & 1.00 \\
 \hei\ 4471      &  21.4 & 34.9 & 1.63 &  35.2 & 1.64 \\
 \hei\ 5876      &  67.7 & 92.0 & 1.36 &  91.3 & 1.35 \\
 \hei\ 6678      &  25.3 & 25.3 & 1.00 &  25.6 & 1.01 \\
 \hei\ 7065      &  24.4 & 23.4 & 0.96 &  22.9 & 0.94 \\
 \hei\ 10830     &   --   & 251. & --    & 190.  & --    \\
 \heii\ 4686     &  36.8 & 36.8 & 1.00 &  36.8 & 1.00 \\
 {\ciii} 1909+07 & 467.  & 467. & 1.00 & 467.  & 1.00 \\
 {\sit} 1882+92  & 270.: & 229. & 0.85 & 340.  & 1.26 \\
 {\aliii} 1855+63 & 111.:& 42.9 & 0.39 &  82.9 & 0.75 \\
 {\oiiis} 1664    &$<$230 & 127. &  $>$.5 & 208. & $>$.9\\
 {\civ} 1549      & 510.:& 74.2 & 0.14 & 334.  & 0.65 \\
 {\siq} 1397 \ $\rbrace$$^a$ &$<$300&22.7& $>$.1 &127. & $>$.5\\
 {\oivs} 1398  $\rbrace$ & * & 2.0 &  *   & 24.9 &  *   \\
 {\nii} 6584+48      &  9.2 &  9.2 & 1.00 &  9.2 & 1.00 \\
 {\oi} 6300+63       &  8.5 & 0.12 & 0.01 &  8.6 & 1.01 \\
 {\oii} 3726+29      & 238. & 238. & 1.00 & 238. & 1.00 \\
 {\oii} 7320+30      & 6.3: & 9.5  & 1.50 &  7.5 & 1.18 \\
 {\oiii} 5007+..     &2683. &2680. & 1.00 &2680. & 1.00 \\
 {\oiii} 4363        & 65.9 & 47.8 & 0.73 & 63.2 & 0.96 \\
 {\oiii} 51.8$\:\mu$m &  --  & 174. &   --  & 137. &  --   \\
 {\oiii} 88.3$\:\mu$m &  --  & 216. &   --  & 213. &  --   \\
 {\oiv} 25.9$\:\mu$m  &49.1 & 18.2 & 0.37 & 47.8 & 0.97 \\
 {\neii} 12.8$\:\mu$m &9.0: & 1.3  & 0.14 &  1.9 & 0.21 \\
 {\neiii} 3868+..    & 191. & 191. & 1.00 & 191. & 1.00 \\
 {\neiii} 15.5$\:\mu$m& 45.7& 60.0 & 1.31 & 48.9 & 1.07 \\
 {\mgi} 4571+62     &$<$3.0 &  1.5 &$>$.5 &  1.2 & $>$.4 \\
 {\sid} 34.8$\:\mu$m & 157. &  4.7 & 0.03 & 22.0 & 0.14 \\
 {\sii} 6716         & 22.5 &  6.7 & 0.30 & 17.6 & 0.78 \\
 {\sii} 6731         & 16.9 &  5.1 & 0.30 & 13.1 & 0.78 \\
 {\sii} 4068 \ $\:\rbrace$& 3.7& 1.1& 0.41&  2.2 & 0.99 \\
 {\fev} 4071 $\rbrace$ &  * & 0.4  &   *  &  1.5 &  *   \\
 {\siii} 9531+..     & 114. & 130. & 1.15 & 113. & 0.99 \\
 {\siii} 6312        &  6.7 &  6.0 & 0.89 &  5.7 & 0.85 \\
 {\siii} 18.7$\:\mu$m& 28.0 & 32.2 & 1.15 & 26.2 & 0.95 \\
 {\siii} 33.5$\:\mu$m& 120. & 54.5 & 0.45 & 48.0 & 0.40 \\
 {\siv} 10.5$\:\mu$m & 48.0 & 41.7 & 0.87 & 92.6 & 1.93 \\
 {\ariii} 7136+..    & 23.5 & 23.5 & 1.00 & 23.5 & 1.00 \\
 {\ariii} 8.99$\:\mu$m &  -- &  8.6 &   --  &  8.1 &  --   \\
 {\ariv} 4711 $\rbrace$& 8.6 & 1.5 & 0.76 &  8.2 & 1.53 \\
 {\hei} 4713 \ \ $\:\:\rbrace$& *&5.0&  * &  5.0 &  *   \\
 {\ariv} 4740          & 4.5 & 1.2 & 0.26 &  6.2 & 1.39 \\
 {\feii} 5.34$\:\mu$m  &  --  & 0.1 & --    & 10.8 &   --  \\
 {\feii} 26.0$\:\mu$m  & 34. & 0.0 & 0.00 &  3.4 & 0.10 \\
 {\feiii} 4658         & 4.5 & 4.5 & 1.00 &  4.5 & 1.00 \\
 {\feiii} 4986         & 7.4 & 5.8 & 0.78 &  7.0 & 0.94 \\
 {\feiii} 22.9$\:\mu$m &  --  & 2.2 &   --  &  3.2 &   --  \\
 {\feiv} 4906         & 3.0: & 1.6 & 0.54 &  3.1 & 1.02 \\
 {\fev} 4227           & 1.8 & 1.5 & 0.84 &  5.5 & 3.10 \\
\hline
\end{tabular}}
\medskip
$^a$ In Col.~1, blends are indicated by braces. The observed intensity of 
a blend is attributed to the first line and an asterisk to the second line.
\end{table}