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几张图片并列 1 
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 24\begin{figure*}[htbp] 
 \centering
 \begin{minipage}[t]{0.35\textwidth}
 \parbox[][4cm][t]{\linewidth}{
 \centering
 \includegraphics[width=\linewidth]{img/1.jpeg}
 }
 \vspace{1.1cm}
 \caption{This is Figure1.}
 \label{Fig:r1}
 \end{minipage}
 \begin{minipage}[t]{0.4\textwidth}
 \parbox[][4cm][t]{\linewidth}{
 \centering
 \includegraphics[width=\linewidth]{img/2.jpeg}
 }
 \vspace{1.1cm}
 \caption{This is Figure2.}
 \label{Fig:r2}
 \end{minipage}
 \end{figure*}![]()  
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竖排图片的间隔问题 1 \vspace{长度}:在当前行下面插入指定长度的竖直间隔 
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表格垂直居中 1 
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 12\begin{tabular}{|p{0.3\linewidth}|m{0.3\linewidth}|b{0.3\linewidth}|} 
 \hline
 \centering header p &
 \centering header m &
 \centering header b \tabularnewline
 \hline
 text which is considerably longer than the width of the column &
 text which is considerably longer than the width of the column &
 text which is considerably longer than the width of the column
 \tabularnewline
 \hline
 \end{tabular}只需设置一行为 m,即可让其他行都居中 ![]()  
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表格在文中的位置 1 \begin{table}[htb] h - here 即表格在文中位置 t - top b - bottom [htb] 按照顺序排列进行选择 其中 h 表示 here, t –top, b-bottom,即表格在文中的位置。那么 [htb] 是按照其顺序排列进行选择,即 h, t ,b 顺序。 
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bib 引用注释 1 
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 11// 注释一行用// 
 @misc{
 author = "tt",
 //month = "mar"
 }
 // 注释一个引用,去掉@
 misc{
 author = "tt",
 month = "mar"
 }
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避免因 url 过长而导致出现不必要的空格 在导言区加载 url宏包, 同时添加任意处可断1 
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 14\usepackage{url} 
 \makeatletter
 \def\UrlAlphabet{%
 \do\a\do\b\do\c\do\d\do\e\do\f\do\g\do\h\do\i\do\j%
 \do\k\do\l\do\m\do\n\do\o\do\p\do\q\do\r\do\s\do\t%
 \do\u\do\v\do\w\do\x\do\y\do\z\do\A\do\B\do\C\do\D%
 \do\E\do\F\do\G\do\H\do\I\do\J\do\K\do\L\do\M\do\N%
 \do\O\do\P\do\Q\do\R\do\S\do\T\do\U\do\V\do\W\do\X%
 \do\Y\do\Z}
 \def\UrlDigits{\do\1\do\2\do\3\do\4\do\5\do\6\do\7\do\8\do\9\do\0}
 \g@addto@macro{\UrlBreaks}{\UrlOrds}
 \g@addto@macro{\UrlBreaks}{\UrlAlphabet}
 \g@addto@macro{\UrlBreaks}{\UrlDigits}在 ref.bib中使用 \url 引用网址1 \url{http://www.example.com/very/long/url/that/might/cause/line/breaks} 
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画带截断图 参考链接文章 https://zhuanlan.zhihu.com/p/588858165 1 
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 23import numpy as np 
 import matplotlib.pyplot as plt
 from brokenaxes import brokenaxes
 np.random.seed(1289231)
 # 设置20个随机点,且均不超过0.2
 pts = np.random.rand(20)*.2
 # 在2和12位置,设置两个离群点
 pts[[2, 12]] += .8
 fig = plt.figure(figsize=(8,6))
 # 使用brokenaxes函数创建绘图坐标轴体系,ylim参数中输入断点两侧轴范围,
 # despine参数控制是否显示上轴和右轴,hspace参数控制断点截断线之间的宽度,d控制断点截断线的长度
 ax = brokenaxes(ylims=((0, 0.22), (0.78, 1.0)),despine=False, hspace=0.05, d=0.01)
 ax.plot(pts)
 # 设置网格线类型和透明度 & 加两条虚线
 ax.grid(ls='--', alpha=0.5, linewidth=1)
 ax.axhline(y=0.22, color='black', linestyle=':')
 ax.axhline(y=0.78, color='black', linestyle=':')
 plt.show()![]()  
 
 
 
