给一个例子: 显示效果如图: 选自:http://math.ecnu.edu.cn/~jypan/Teaching/Latex/faq/TeX_tips.htm#sec21\documentclass{article}
% \usepackage[toc]{multitoc}%多栏目录,默认两栏
\usepackage{blindtext}
\usepackage{multirow}
\begin{document}
\begin{table*}[htbp]
\centering
\caption{Total run time and synchronization time for each benchmark.}
\label{tab:data}
\tabcolsep 3pt
\begin{tabular}{|*{10}{r|}}
\hline
\multicolumn{2}{|c|}{\multirow{2}*{Blank}}
&\multicolumn{2}{|c|}{CG} & \multicolumn{2}{|c|}{IS}
& \multicolumn{2}{|c|}{MG} & \multicolumn{2}{|c|}{LU}\\\cline{3-10}
\multicolumn{2}{|c|}{}& 2& 4 & 2 & 4 & 2 & 4 & 2 & 4\\\hline
\multirow{2}*{Run Time(s)}
& IA32 & 24.37& 16.18 & 19.62 & 8.98 & 31.98 & 18.71 & 622.76 & 266.16\\
& IA64 & 54.41& 30.29 & 25.54 & 15.72 & 164.16 & 84.73 & 3226.60 & 1723.11\\\hline
\multirow{2}*{Sync Time(ms)}
& IA32 & 7.156& 25.607 & 189.793 & 70.336 & 286.354 & 86.888 & 6.446 & 18.434\\
& IA64 & 5.960& 7.043 & 21.980 & 10.078 & 2.780 & 13.793& 2.922 & 5.385\\\hline
\end{tabular}
\end{table*}
\end{document}
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