答案1
要创建空单元格,只需不提供任何内容 - 但提供列分隔符。顺便说一句,此特定表格&
不需要语句。\multirow
模型:
\documentclass{article}
\usepackage{array}
\setlength\extrarowheight{2pt} % for a more "open" look
\begin{document}
\begin{tabular}{clcc}
\hline\hline
& & B & C \\
Box & Initial height & $h$ & 1 \\
& Initial mass & $m$ & 2 \\[1ex] % a bit more vertical whitespace
liquid & Density & $\rho$ & 3 \\
& Molar mass & $\mu$ & 4 \\
\dots \\ % fill in the rest...
& viscosity & $\nu$ & 9 \\
\hline\hline
\end{tabular}
\end{document}