\begin{document} text text text text text text text\cite{ref1} text text text text text text text text text text text text text text text text text text text text text text text\cite{Coffeelize} text text text text text text text text text text text text text text text text text text text\cite{02} text text text text text text text text text text text text text text text text text text text text text text \begin{thebibliography}{99} % 添加参考文献数量的一个宽度,当有两位数的参考文献时可以使用任意的两位数;超过100时,则任意填写一个三位数 \bibitem{ref1}KOVACIC I, BRENNAN M J, WATERS T P. A study of a nonlinear vibration isolator with a quasi-zero stiffness characteristic[J]. Journal of Sound and Vibration, 2008,315(3):700-711. \bibitem{02}CARRELLA A, BRENNAN M J, WATERS T P. Static analysis of a passive vibration isolator with quasi-zero-stiffness characteristic[J]. Journal of Sound and Vibration, 2007, 301(3):678-689. \bibitem{Coffeelize}这里是智朋的个人博客:\verb|https://coffeelize.top| \end{thebibliography} \end{document}