ref
bibtex 格式里的booktitle:会议名称的年份和缩写应去掉, e.g.,
2019 2th International Conference on Internet of Things, Embedded Systems and Communications (IINTEC)
可简写为:
International Conference on Internet of Things, Embedded Systems and Communications
fig
一行多个图,图仅仅并列
一行多个图,多图共用一个label,以小标题显示
table
换行
跨行