- 导言区设置最长文字变量
\newlength{\changdu} - 正文求出最长文字长度放到变量changdu中去。
\settowidth{\changdu}{\large{试验中心技术负责人}}
注意文字的大小也要一并的求出来。 - makebox中的s选项两端对齐
\begin{center}
\begin{tabular}{cc}
\makebox[\the\changdu][s]{编\hspace{\fill}制\hspace{\fill}人\hspace{\fill}/\hspace{\fill}项\hspace{\fill}目\hspace{\fill}负\hspace{\fill}责\hspace{\fill}人}：&\underline{\qquad\qquad\qquad\qquad}\\
\makebox[\the\changdu][s]{基\hspace{\fill}层\hspace{\fill}单\hspace{\fill}位\hspace{\fill}审\hspace{\fill}核}：&\underline{\qquad\qquad\qquad\qquad}\\
\makebox[\the\changdu][s]{科\hspace{\fill}研\hspace{\fill}管\hspace{\fill}理\hspace{\fill}科\hspace{\fill}审\hspace{\fill}批}：&\underline{\qquad\qquad\qquad\qquad}\\
\makebox[\the\changdu][s]{质\hspace{\fill}量\hspace{\fill}安\hspace{\fill}全\hspace{\fill}科\hspace{\fill}审\hspace{\fill}批}：&\underline{\qquad\qquad\qquad\qquad}\\
\makebox[\the\changdu][s]{试验中心技术负责人}：&\underline{\qquad\qquad\qquad\qquad}\\
\makebox[\the\changdu][s]{试\hspace{\fill}验\hspace{\fill}中\hspace{\fill}心\hspace{\fill}主\hspace{\fill}任}：&\underline{\qquad\qquad\qquad\qquad}\\
\makebox[\the\changdu][s]{院\hspace{\fill}主\hspace{\fill}管\hspace{\fill}领\hspace{\fill}导\hspace{\fill}审\hspace{\fill}批}：&\underline{\qquad\qquad\qquad\qquad}\\
\end{tabular}
\end{center}
