答案1
只需将三个表格并排放置在中心环境中即可。\small
如果表格太宽,无法放入边距,您也可以尝试减小字体大小。
\documentclass[review]{elsarticle}
\usepackage{array}
\setlength{\extrarowheight}{3pt}
\begin{document}
\begin{center}
\small %% <<--------- Reduce fontsize if tables are to wide to fit within the margins
\begin{tabular}{|r|r|r|r|}
13&0.93&9.5&0.47\\
13&0.93&9.5&0.47\\
13&0.93&9.5&0.47\\
13&0.93&9.5&0.47\\
13&0.93&12.5&0.47\\
13&0.93&9.5&0.47\\
13&0.93&11.5&0.47\\
13&0.93&13.5&0.47\\
13&0.93&10.5&0.47\\
13&0.93&9.5&0.47\\
\hline
13&0.93&9.5&0.47\\
13&0.93&9.5&0.47\\
\hline
\end{tabular}
\begin{tabular}{|r|r|r|r|}
13&0.93&9.5&0.47\\
13&0.93&9.5&0.47\\
13&0.93&9.5&0.47\\
13&0.93&9.5&0.47\\
13&0.93&12.5&0.47\\
13&0.93&9.5&0.47\\
13&0.93&11.5&0.47\\
13&0.93&13.5&0.47\\
13&0.93&10.5&0.47\\
13&0.93&9.5&0.47\\
\hline
13&0.93&9.5&0.47\\
13&0.93&9.5&0.47\\
\hline
\end{tabular}
\begin{tabular}{|r|r|r|r|}
13&0.93&9.5&0.47\\
13&0.93&9.5&0.47\\
13&0.93&9.5&0.47\\
13&0.93&9.5&0.47\\
13&0.93&12.5&0.47\\
13&0.93&9.5&0.47\\
13&0.93&11.5&0.47\\
13&0.93&13.5&0.47\\
13&0.93&10.5&0.47\\
13&0.93&9.5&0.47\\
\hline
13&0.93&9.5&0.47\\
13&0.93&9.5&0.47\\
\hline
\end{tabular}
\end{center}
\end{document}