我有这张侧向表格（如附图所示），我想“调整”列中的文本。我可以看到它居中了，但是当我尝试让它不居中时，它不起作用！此外，最后一列也不接受居中。有没有办法调整列内的文本？
我为该表使用的代码是：
\begin{sidewaystable}
\caption{ Space Missions dedicated to measure atmospheric chemical compositions with their specifications. }
\begin{tabular} {p{5cm} >{\centering}p{4cm} >{\centering} p{4cm} >{\centering} p{4cm} p{3.5cm} }
\firsthline
\hline
\\[-2ex]
\textbf {\backslashbox[7.5em] {Parameter} {HSI\kern-1.5em\\ Imager\kern-2em}} & \textbf{TANSO\\GOSAT} & \textbf {HSI\\OCO-2} & \textbf {SCIAMACHY\\ENVISAT} & \textbf {TSCS, TanSat} \\
\hline
%\rowcolor{Gray}
Spectral Range & 760 – 15,000 nm & 3 different independent bands: 760 nm, 1600 nm and 2000 nm & 214 -2380 nm & 3 different independent bands: 760 nm, 1600 nm and 2000 nm \\
Spectral Resolution\\Resolving Power & 0.2 \(cm^{-1}\) & 20,000 (resolving Power) FWHM=0.08nm) for \coo \@ bands & 0.2nm – 1.5nm.
(1000-10000 resolving power)
&0.614 \\
%
Spatial Resolution & Swath= 750 km, IFOV= 10.5 km (15.8 mrad). & Swath= 10.3 km IFOV= 1.3 km cross-track, 2.25 km along-track. (Nadir). & Swath= 240km
IFOV= 30km × 60km for Nadir.
& 0.081 nm for \ch{O2} band, 0.12 nm for the W\coo and 0.16 nm for S\coo. 12,000 resolving power \\
Observation Mode&Nadir-looking& Nadir, Glint, Target & Nadir, Limb, and Occultation &0.614 \\
%\rowcolor{Gray}
SNR & $>$300& 250 to 450 for the \ch{O2} A-band, 400 to 800 for the W\coo\@, and 200 to 500 for the S\coo & $>$1000 &360 (\ch{O2} band), 250 (W\coo), 180 (S\coo2). \\
Accuracy& 1\% (~4ppm) for \coo & ~0.3 to 0.5\% (1 to 2 ppm) for \coo & N/A & 1\% (~4ppm) for \coo \\
%\rowcolor{Gray}
Mass &1& 0.999 &0.710& 180 kg \\
\hline
\end{tabular}
\label{table2.2}
\end{sidewaystable}
非常感谢
编辑和澄清：
我正在使用的文档类是：
\documentclass[12pt,oneside]{book}。位于\backslashbox带有包的序言中\usepackage{slashbox,pict2e}。
软件包：
\usepackage{bm}
\usepackage[breaklinks=false]{hyperref}
\usepackage{geometry}
\geometry{a4paper,inner=3cm, outer=3cm, top=3cm, bottom=3cm}
\pdfpagewidth=\paperwidth
\pdfpageheight=\paperheight
\usepackage{fancyvrb,cprotect}
\usepackage{amsmath}
\usepackage{array}
\usepackage{chemformula}
\usepackage{makecell}
\usepackage{diagbox}
\usepackage{longtable, tabu}
\usepackage{multicol}
\usepackage{rotating}
\usepackage{color, colortbl}
\definecolor{Gray}{gray}{0.9}
\usepackage{diagbox}
\usepackage{slashbox,pict2e}
\usepackage{caption}
\usepackage{multicol}
\usepackage{graphicx}