\begin{center} \begin{tabular}{ccc} \toprule[1.5pt] \makebox[0.3\textwidth][c]{Symbol} &\makebox[0.4\textwidth][c]{Description} & \makebox[0.2\textwidth][c]{Unit} \\ \midrule[1pt] $ C_{res} $& Natural Resource Consumption &\textbackslash\\ $ C_{pol} $& Cost of Environmental Pollution &\textbackslash\\ $ C_{deg} $& Cost of Environmental Degradation &\textbackslash\\ $ N $& Net Primary Production (NPP) &\textbackslash\\ $ Y $& Total Output of an Economic Entity &\textbackslash\\ $ A $& Technology Level of the Economic Entity &\textbackslash\\ $ L $& Labor Put into Production &\textbackslash\\ $ K $& Capital Put into Production &\textbackslash\\ \bottomrule[1.5pt] \end{tabular} \end{center}
图片及浮动体设置
引入图片(在figure文件夹下)
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%语法 %格式 png jpg eps pdf \includegraphics{排队论模型.png}
\begin{document} %整篇文章都在document下 \begin{abstract} %摘要部分 Use this template to begin typing the first page (summary page) of your electronic report. This template uses a 12-point Times New Roman font. Submit your paper as an Adobe PDF electronic file (e.g. 1111111.pdf), typed in English, with a readable font of at least 12-point type.
Do not include the name of your school, advisor, or team members on this or any page.
Papers must be within the 25 page limit.
Be sure to change the control number and problem choice above. You may delete these instructions as you begin to type your report here.
Follow us @COMAPMath on Twitter or COMAPCHINAOFFICIAL on Weibo for the most up to date contest information. \begin{keywords} %关键字 keyword1; keyword2 \end{keywords} %结束关键字 \end{abstract} %结束摘要