摘要： \documentclass[UTF,noindent,fancyhdr,titlepage]{ctexart}\usepackage{delarray,booktabs}\usepackage[usenames,dvipsnames]{xcolor}\usepackage{tabu}\usepackage{colortbl}\usepackage[margin=1cm]{geometry}\usepackage{amsmath}\definecolor{mypink}{rgb}{.99,.91,.95}\newcommand{\envert}[1]{\left\lvert#1\right\r 阅读全文