标题页后未输入的奇数行

Question

我正在写报告，在名称中输入小写字母后titlepage，奇怪的数字不知何故出现在空白页的标题页下方。这些数字是：_033303333.27 04453.37 13713.48.有人知道如何解决这个问题吗？我不是 LaTeX 专家。

\documentclass[11pt, a4paper]{report}
\usepackage[english]{babel}
\usepackage[utf8]{inputenc}
\usepackage{cite}
\usepackage{float}
\usepackage[font=footnotesize,labelfont=bf]{caption}
\usepackage{graphicx}
\usepackage{gensymb}
\usepackage{letltxmacro}
\usepackage{fancyref}
\usepackage[table]{xcolor}
\usepackage[nottoc,numbib]{tocbibind}

\title{Switching off the genes Llmg{\_}0333, Llmg{\_}0445 and Llmg{\_}1371 by using the >knock-out technique in \textit{Lactococcus lactis} strain MG1363.}
\author{Major report LABlab februari 2014\\
\\
\textit{by}\\
\\
(...)\\
(...)\\
(...)\\
(...)\\
\\
\textit{project ran at}\\
\\
(...)\\
\\
\textit{in cooperation with}\\
\\
(...)\\
\\
\textit{guided by}\\
\\
(...)}
\maketitle

\begin{document}

Answer 1

用户 egreg 已经声明，问题在于\maketitle出现在 之前\begin{document}，可以通过输入 来实现下划线字符\_。

我引入了该命令\Gennum，该命令需要强制的 gennumber 作为第二个参数，第一个参数是可选的，默认为Llgm。下划线是自动完成的。

\documentclass[11pt, a4paper]{report}
\usepackage[english]{babel}
\usepackage[utf8]{inputenc}
\usepackage{cite}
\usepackage{float}
\usepackage[font=footnotesize,labelfont=bf]{caption}
\usepackage{graphicx}
\usepackage{gensymb}
\usepackage{letltxmacro}
\usepackage{fancyref}
\usepackage[table]{xcolor}
\usepackage[nottoc,numbib]{tocbibind}

\newcommand{\Gennum}[2][Llmg]{%
#1\_#2%
}%

\title{Switching off the genes \Gennum{0333}, \Gennum{0445} and \Gennum{1371} by using the \emph{knock-out} technique in \textit{Lactococcus lactis} strain MG1363.}


\author{Major report LABlab februari 2014\\
\\
\textit{by}\\
\\
(...)\\
(...)\\
(...)\\
(...)\\
\\
\textit{project ran at}\\
\\
(...)\\
\\
\textit{in cooperation with}\\
\\
(...)\\
\\
\textit{guided by}\\
\\
(...)} % End of title

\begin{document}
\maketitle
\chapter{I can only guess what comes here}
\end{document}