\begin{document} %开始正文书写 %\begin{landscape} \begin{table}[h] \centering \caption{Soil physico-chemical characteristics of Horqin Desert with various GE time in two soil depths} \label{Table.1} \begin{tabular}{c c c c c c c c} \hline Time since GE & Soil Depth & Soil Moisture Content & pH & Conductivity & SOC & TN & TP\\ (years) && ($\%$)&&(us/cm)&(g/Kg)&(g/Kg)&(mg/Kg)\\ 0&0-15 cm& 3.16$\pm$0.09 d&7.19$\pm$0.15 a& 16.19$\pm$4.72 b& 1.71$\pm$1.38 c&0.15$\pm$0.11 c& 0.07$\pm$0.003 b\\ \hline \end{tabular} \end{table} %\end{landscape} \end{document}
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\begin{document} \section*{CSI-free} % for table I \begin{table}[H] \caption{Channel State Information free for \textbf{Energy} Harvesting System} \label{Table.1} \begin{center} \begin{tabular}{|p{2cm}|p{3cm}|p{1.5cm}|p{4.5cm}|p{2.5cm}|p{1cm}|p{3cm}|p{6cm}|} \hline \textbf{Literature} &\textbf{System Model} &\textbf{Channel} &\textbf{CSI-free Method} &\textbf{Signal Type}&\textbf{With IRS} &\textbf{Further work} &\textbf{P.S.}\\ \hline \href{https://ieeexplore.ieee.org/document/8470248}{Bruno et.al.}\cite[]{}& Multi-antennas BS, Single antenna user&LOS& Transimit Diversity (form a quick fading channel and Transmit Diversity can also benefit for EH) &Energy Only& No & Energy Waveform, Energy Modulation& Fading and Transmit Diversity are both benefit for Energy Harvesting\\ \hline \end{tabular} \end{center} \end{table}