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\begin{document}

\begin{frame}{A sample slide}


\begin{table}[ht]

\caption{Comparison }\label{eqtable}
{\tiny
\begin{tabular}{|p{1.3cm}|c|p{1.5cm}|c|c|c|c|}
  \hline
  % after \\: \hline or \cline{col1-col2} \cline{col3-col4} ...
  $f, g,bb$ & & normalnnnn &xxx  & fffffff &  jjjkjkjj &Thhhhhhhhhhh  \\
  \hline
  1000,1000,1500 &ggg&	4.4757	&166.2557 &$8.9027\times 10^{-5}	$&$-6.9909\times 10^{-5}$&	1.8611\\ \cline{2-7}
  &ggg&	4.4757&	166.2571&	$3.0936\times 10^{-4}$&$	-5.8497\times 10^{-6}$&	13.8157\\ \hline
  

\end{tabular}}
\end{table}


\end{frame}

\end{document}