## 编译环境
操作系统
* [ ] Windows 7/8/10
* [ ] macOS
* [ ] Linux
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Tex发行版
* [ ] TexLive `年...
## 编译环境
操作系统
* [ ] Windows 7/8/10
* [ ] macOS
* [ ] Linux
`若需勾选，请把[ ]改成[x]`
Tex发行版
* [ ] TexLive `年份`
* [ ] MikTeX `版本号`
* [ ] CTeX
`若需勾选，请把[ ]改成[x]`
## 我的问题
在此输入你遇到的问题...
\bibliographystyle{elsarticle-num-names}
\vspace*{0.5cm}
\begin{thebibliography}{21}
\bibitem[Heilongjaing Province People's Govornment(2020)]{Heilongjaing Province People's Govornment2020}
CCTV news 1+1: focuses on Suifenhe. China: Heilongjaing Province People's Govornment,2020. Available from:http://www.hlj.gov.cn/zwfb/system/2020/04/14/010923836.shtml[cited Apr 14]
\end{thebibliography}
\end{document}
\endinput
正文中引入格式是 \cite{Heilongjaing Province People's Govornment(2020)}
出现的结果是[?]
{var%20f='http://v.t.sina.com.cn/share/share.php?appkey=1515056452',u=z||d.location,p=['&url=',e(u),'&title=',e(t||d.title),'&source=',e(r),'&sourceUrl=',e(l),'&content=',c||'gb2312','&pic=',e(p||'')].join('');function%20a(){if(!window.open([f,p].join(''),'mb',['toolbar=0,status=0,resizable=1,width=440,height=430,left=',(s.width-440)/2,',top=',(s.height-430)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else%20a();})(screen,document,encodeURIComponent,'','','https://wenda.latexstudio.net/data/attach/logo/logo.png', '推荐 宋运娜 的问题《\bibitem引入参考文献，在文章中出现的是[?]怎么办》','https://wenda.latexstudio.net/answer/5202/4287.html','页面编码gb2312|utf-8默认gb2312'));){kind=link}
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