\documentclass{article}
\usepackage{threeparttable}
\usepackage{booktabs}
\begin{document}
\begin{table}
\centering
\begin{threeparttable}
\caption{The fist nine Modes of the Blade}
\label{tab:PPer}
\begin{tabular}{l l l l l l l l l l}
\toprule
\textbf{Mode Number}& 1 & 2 & 3& 4& 5& 6& 7& 8& 9 \\
\midrule
\textbf{Frequency [Hz]}& 191.25 & 531.4 & 695 &1108.75 &1140.6 &1304.4 &1986.5 & 2558.6 & 2675.8 \\
\midrule
\textbf{Damping ratio $\zeta(\%)$}& 0.46 & 0.93 & 0.21 &1&1&1&1&1&1 \\
\midrule
\end{tabular} \label{tabel:3.5}
\end{threeparttable}
\end{table}`
\end{document}
答案1
现在合适吗--已添加 \noindent\hspace{-3cm}
\documentclass{article}
\usepackage{threeparttable}
\usepackage{booktabs}
\begin{document}
\begin{table}
\noindent\hspace{-3cm}
\begin{threeparttable}
\caption{The fist nine Modes of the Blade}
\label{tab:PPer}
\begin{tabular}{l l l l l l l l l l}
\toprule
\textbf{Mode Number}& 1 & 2 & 3& 4& 5& 6& 7& 8& 9 \\
\midrule
\textbf{Frequency [Hz]}& 191.25 & 531.4 & 695 &1108.75 &1140.6 &1304.4 &1986.5 & 2558.6 & 2675.8 \\
\midrule
\textbf{Damping ratio $\zeta(\%)$}& 0.46 & 0.93 & 0.21 &1&1&1&1&1&1 \\
\midrule
\end{tabular} \label{tabel:3.5}
\end{threeparttable}
\end{table}`
\end{document}