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MathJax进阶
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<p>之前的文章：<a href="/article/mathjax-basic-tutorial-and-quick-reference.html">MathJax基础教程与快速参考</a>，本篇文章将对进阶的MathJax语法做一个简单的介绍。大部分内容来自于<a href="http://meta.math.stackexchange.com/questions/5020/mathjax-basic-tutorial-and-quick-reference" target="_blank" rel="external">MathJax basic tutorial and quick reference</a>一文中后面的评论。</p>
</blockquote>
<h3 id="矩阵"><a href="#矩阵" class="headerlink" title="矩阵"></a>矩阵</h3><p>MathJax提供了良好的矩阵支持。矩阵的语法为：<code>$$\begin{matrix}…\end{matrix}$$</code>，如：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div></pre></td><td class="code"><pre><div class="line">$$</div><div class="line"> \begin{matrix}</div><div class="line"> 1 & x & x^2 \\</div><div class="line"> 1 & y & y^2 \\</div><div class="line"> 1 & z & z^2 \\</div><div class="line"> \end{matrix}</div><div class="line">$$</div></pre></td></tr></table></figure>
<p>$$<br>\begin{matrix}<br> 1 & x & x^2 \\<br> 1 & y & y^2 \\<br> 1 & z & z^2 \\<br> \end{matrix}<br>$$</p>
<p>关于添加括号，除了在基础教程中提到的<code>\left…\right</code>方法，还可以使用指定字符串替换上面提到的语法中的<code>matrix</code>即可：</p>
<ul>
<li><code>pmatrix</code>，$\begin{pmatrix}1&2\\3&4\\ \end{pmatrix}$</li><li><code>bmatrix</code>，$\begin{bmatrix}1&2\\3&4\\ \end{bmatrix}$</li><li><code>Bmatrix</code>，$\begin{Bmatrix}1&2\\3&4\\ \end{Bmatrix}$</li><li><code>vmatrix</code>，$\begin{vmatrix}1&2\\3&4\\ \end{vmatrix}$</li><li><code>Vmatrix</code>，$\begin{Vmatrix}1&2\\3&4\\ \end{Vmatrix}$</li></ul>
<p>在矩阵中可以添加点号<code>\cdots</code>$\cdots$、<code>\ddots</code>$\ddots$、<code>\vdots</code>$\vdots$来表示省略的部分：</p>
<p>$$<br>\begin{pmatrix}<br> 1 & a_1 & a_1^2 & \cdots & a_1^n \\<br> 1 & a_2 & a_2^2 & \cdots & a_2^n \\<br> \vdots & \vdots& \vdots & \ddots & \vdots \\<br> 1 & a_m & a_m^2 & \cdots & a_m^n<br> \end{pmatrix}<br>$$</p>
<p>增广矩阵则使用格式化的表格：</p>
<p>$$<br>\left[\begin{array}{cc|c}<br> 1&2&3\\<br> 4&5&6<br> \end{array}\right]<br>$$</p>
<p>上面的矩阵的具体代码：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div></pre></td><td class="code"><pre><div class="line">$$ \left[</div><div class="line"> \begin{array}{cc|c}</div><div class="line"> 1&2&3\\</div><div class="line"> 4&5&6</div><div class="line"> \end{array}</div><div class="line">\right] $$</div></pre></td></tr></table></figure>
<p>小型行内矩阵的表示方法为<code>\bigl(\begin{smallmatrix} ... \end{smallmatrix}\bigr)</code>。例如$\bigl( \begin{smallmatrix} a & b \\ c & d \end{smallmatrix} \bigr)$的代码为：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div></pre></td><td class="code"><pre><div class="line">$\bigl( \begin{smallmatrix} a & b \\ c & d \end{smallmatrix} \bigr)$</div></pre></td></tr></table></figure>
<h3 id="对齐的方程式"><a href="#对齐的方程式" class="headerlink" title="对齐的方程式"></a>对齐的方程式</h3><p>很多时候，我们想让方程式对齐以显得更加整齐美观。为了达到这样的目的，我们采用语法<code>\begin{align}…\end{align}</code>并且在每个换行符<code>\\</code>之后，添加一个连接符<code>&</code>即可。</p>
<p>举个例子：</p>
<p>$$<br>\begin{align}<br>\sqrt{37} & = \sqrt{\frac{73^2-1}{12^2}} \\<br> & = \sqrt{\frac{73^2}{12^2}\cdot\frac{73^2-1}{73^2}} \\<br> & = \sqrt{\frac{73^2}{12^2}}\sqrt{\frac{73^2-1}{73^2}} \\<br> & = \frac{73}{12}\sqrt{1 - \frac{1}{73^2}} \\<br> & \approx \frac{73}{12}\left(1 - \frac{1}{2\cdot73^2}\right)<br>\end{align}<br>$$</p>
<p>以上方程式的代码为：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div></pre></td><td class="code"><pre><div class="line">\begin{align}</div><div class="line">\sqrt{37} & = \sqrt{\frac{73^2-1}{12^2}} \\</div><div class="line"> & = \sqrt{\frac{73^2}{12^2}\cdot\frac{73^2-1}{73^2}} \\ </div><div class="line"> & = \sqrt{\frac{73^2}{12^2}}\sqrt{\frac{73^2-1}{73^2}} \\</div><div class="line"> & = \frac{73}{12}\sqrt{1 - \frac{1}{73^2}} \\ </div><div class="line"> & \approx \frac{73}{12}\left(1 - \frac{1}{2\cdot73^2}\right)</div><div class="line">\end{align}</div></pre></td></tr></table></figure>
<h3 id="分段函数"><a href="#分段函数" class="headerlink" title="分段函数"></a>分段函数</h3><p>分段函数使用的语法为：<code>\begin{cases}…\end{cases}</code>，在带有换行符<code>\\</code>的一行中，在分段处加入连接符<code>&</code>。</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div></pre></td><td class="code"><pre><div class="line">f(n) =</div><div class="line">\begin{cases}</div><div class="line">n/2, & \text{if $n$ is even} \\</div><div class="line">3n+1, & \text{if $n$ is odd}</div><div class="line">\end{cases}</div></pre></td></tr></table></figure>
<p>展示为：</p>
<p>$$<br>f(n) =<br>\begin{cases}<br>n/2, & \text{if $n$ is even} \\<br>3n+1, & \text{if $n$ is odd}<br>\end{cases}<br>$$</p>
<p>也可以将括号放在右边：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div></pre></td><td class="code"><pre><div class="line">\left.</div><div class="line">\begin{array}{l}</div><div class="line">\text{if $n$ is even:}&n/2\\</div><div class="line">\text{if $n$ is odd:}&3n+1</div><div class="line">\end{array}</div><div class="line">\right\}</div><div class="line">=f(n)</div></pre></td></tr></table></figure>
<p>$$<br>\left.<br>\begin{array}{l}<br>\text{if $n$ is even:}&n/2\\<br>\text{if $n$ is odd:}&3n+1<br>\end{array}<br>\right\}<br>=f(n)<br>$$</p>
<p>要使得分段函数中间的空隙更大，可以使用<code>\\[2ex]</code>替换<code>\\</code>，如要得到：</p>
<p>$$<br>f(n) =<br>\begin{cases}<br>\frac{n}{2}, & \text{if $n$ is even} \\[2ex]<br>3n+1, & \text{if $n$ is odd}<br>\end{cases}<br>$$</p>
<p>使用以下代码即可：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div></pre></td><td class="code"><pre><div class="line">f(n) =</div><div class="line">\begin{cases}</div><div class="line">\frac{n}{2}, & \text{if $n$ is even} \\[2ex]</div><div class="line">3n+1, & \text{if $n$ is odd}</div><div class="line">\end{cases}</div></pre></td></tr></table></figure>
<h3 id="数组表格化"><a href="#数组表格化" class="headerlink" title="数组表格化"></a>数组表格化</h3><p>先看一个例子：</p>
<p>$$<br>\begin{array}{c|lcr}<br>n & \text{Left} & \text{Center} & \text{Right} \\<br>\hline<br>1 & 0.24 & 1 & 125 \\<br>2 & -1 & 189 & -8 \\<br>3 & -20 & 2000 & 1+10i<br>\end{array}<br>$$</p>
<p>其代码为：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div><div class="line">7</div></pre></td><td class="code"><pre><div class="line">\begin{array}{c|lcr}</div><div class="line">n & \text{Left} & \text{Center} & \text{Right} \\</div><div class="line">\hline</div><div class="line">1 & 0.24 & 1 & 125 \\</div><div class="line">2 & -1 & 189 & -8 \\</div><div class="line">3 & -20 & 2000 & 1+10i</div><div class="line">\end{array}</div></pre></td></tr></table></figure>
<p>在上面的矩阵中，提到了格式化表格的方式。格式化代码<code>\begin{array}{c|lcr}</code>中<code>c</code>表示居中对齐，<code>l</code>表示左对齐，<code>r</code>表示右对齐。<code>\hline</code>表示横向的水平线。</p>
<p>格式化的数组可以嵌套：</p>
<p>$$<br>\begin{array}{c}<br>\begin{array}{cc}<br>\begin{array}{c|cccc}<br>\text{min} & 0 & 1 & 2 & 3\\<br>\hline<br>0 & 0 & 0 & 0 & 0\\<br>1 & 0 & 1 & 1 & 1\\<br>2 & 0 & 1 & 2 & 2\\<br>3 & 0 & 1 & 2 & 3<br>\end{array}<br>&<br>\begin{array}{c|cccc}<br>\text{max}&0&1&2&3\\<br>\hline<br>0 & 0 & 1 & 2 & 3\\<br>1 & 1 & 1 & 2 & 3\\<br>2 & 2 & 2 & 2 & 3\\<br>3 & 3 & 3 & 3 & 3<br>\end{array}<br>\end{array}<br>\\<br>\begin{array}{c|cccc}<br>\Delta&0&1&2&3\\<br>\hline<br>0 & 0 & 1 & 2 & 3\\<br>1 & 1 & 0 & 1 & 2\\<br>2 & 2 & 1 & 0 & 1\\<br>3 & 3 & 2 & 1 & 0<br>\end{array}<br>\end{array}<br>$$</p>
<p>以上代码省略。</p>
<h3 id="带颜色的文本"><a href="#带颜色的文本" class="headerlink" title="带颜色的文本"></a>带颜色的文本</h3><p>MathJax支持HTML颜色代码来对文本进行染色显示。</p>
<p>语法为<code>\color{black}{text}</code>。black为颜色的名称，text为进行染色的文本。</p>
<p>$$<br>\begin{array}{|rc|}<br>\hline<br>\verb+\color{black}{text}+ & \color{black}{text} \\<br>\verb+\color{gray}{text}+ & \color{gray}{text} \\<br>\verb+\color{silver}{text}+ & \color{silver}{text} \\<br>\verb+\color{white}{text}+ & \color{white}{text} \\<br>\hline<br>\verb+\color{maroon}{text}+ & \color{maroon}{text} \\<br>\verb+\color{red}{text}+ & \color{red}{text} \\<br>\verb+\color{yellow}{text}+ & \color{yellow}{text} \\<br>\verb+\color{lime}{text}+ & \color{lime}{text} \\<br>\verb+\color{olive}{text}+ & \color{olive}{text} \\<br>\verb+\color{green}{text}+ & \color{green}{text} \\<br>\verb+\color{teal}{text}+ & \color{teal}{text} \\<br>\verb+\color{aqua}{text}+ & \color{aqua}{text} \\<br>\verb+\color{blue}{text}+ & \color{blue}{text} \\<br>\verb+\color{navy}{text}+ & \color{navy}{text} \\<br>\verb+\color{purple}{text}+ & \color{purple}{text} \\<br>\verb+\color{fuchsia}{text}+ & \color{magenta}{text} \\<br>\hline<br>\end{array}<br>$$</p>
$$
\begin{array}{|rrrrrrrr|}
\hline
\verb+#000+ & \color{#000}{text} & \verb+#005+ & \color{#005}{text} & \verb+#00A+ & \color{#00A}{text} & \verb+#00F+ & \color{#00F}{text} \\
\verb+#500+ & \color{#500}{text} & \verb+#505+ & \color{#505}{text} & \verb+#50A+ & \color{#50A}{text} & \verb+#50F+ & \color{#50F}{text} \\
\verb+#A00+ & \color{#A00}{text} & \verb+#A05+ & \color{#A05}{text} & \verb+#A0A+ & \color{#A0A}{text} & \verb+#A0F+ & \color{#A0F}{text} \\
\verb+#F00+ & \color{#F00}{text} & \verb+#F05+ & \color{#F05}{text} & \verb+#F0A+ & \color{#F0A}{text} & \verb+#F0F+ & \color{#F0F}{text} \\
\hline
\verb+#080+ & \color{#080}{text} & \verb+#085+ & \color{#085}{text} & \verb+#08A+ & \color{#08A}{text} & \verb+#08F+ & \color{#08F}{text} \\
\verb+#580+ & \color{#580}{text} & \verb+#585+ & \color{#585}{text} & \verb+#58A+ & \color{#58A}{text} & \verb+#58F+ & \color{#58F}{text} \\
\verb+#A80+ & \color{#A80}{text} & \verb+#A85+ & \color{#A85}{text} & \verb+#A8A+ & \color{#A8A}{text} & \verb+#A8F+ & \color{#A8F}{text} \\
\verb+#F80+ & \color{#F80}{text} & \verb+#F85+ & \color{#F85}{text} & \verb+#F8A+ & \color{#F8A}{text} & \verb+#F8F+ & \color{#F8F}{text} \\
\hline
\verb+#0F0+ & \color{#0F0}{text} & \verb+#0F5+ & \color{#0F5}{text} & \verb+#0FA+ & \color{#0FA}{text} & \verb+#0FF+ & \color{#0FF}{text} \\
\verb+#5F0+ & \color{#5F0}{text} & \verb+#5F5+ & \color{#5F5}{text} & \verb+#5FA+ & \color{#5FA}{text} & \verb+#5FF+ & \color{#5FF}{text} \\
\verb+#AF0+ & \color{#AF0}{text} & \verb+#AF5+ & \color{#AF5}{text} & \verb+#AFA+ & \color{#AFA}{text} & \verb+#AFF+ & \color{#AFF}{text} \\
\verb+#FF0+ & \color{#FF0}{text} & \verb+#FF5+ & \color{#FF5}{text} & \verb+#FFA+ & \color{#FFA}{text} & \verb+#FFF+ & \color{#FFF}{text} \\
\hline
\end{array}
$$
<p>MathJax的HTML颜色，详情请参考<a href="http://www.w3schools.com/html/html_colors.asp" target="_blank" rel="external">这里</a>。</p>
<h3 id="交叉线"><a href="#交叉线" class="headerlink" title="交叉线"></a>交叉线</h3><p>使用<code>\require{cancel}</code>开启实现对本文添加交叉线的效果。该语法可以用来展示删除，取消等效果。</p>
<p>如：<br>
$$
\require{cancel}\begin{array}{rl}
\verb|y+\cancel{x}| & y+\cancel{x}\\
\verb|\cancel{y+x}| & \cancel{y+x}\\
\verb|y+\bcancel{x}| & y+\bcancel{x}\\
\verb|y+\xcancel{x}| & y+\xcancel{x}\\
\verb|y+\cancelto{0}{x}| & y+\cancelto{0}{x}\\
\verb+\frac{1\cancel9}{\cancel95} = \frac15+& \frac{1\cancel9}{\cancel95} = \frac15 \\
\end{array}
$$
</p>
<p>还可以使用<code>\require{enclose}</code>：</p>
$$
\require{enclose}\begin{array}{rl}
\verb|\enclose{horizontalstrike}{x+y}| & \enclose{horizontalstrike}{x+y}\\
\verb|\enclose{verticalstrike}{\frac xy}| & \enclose{verticalstrike}{\frac xy}\\
\verb|\enclose{updiagonalstrike}{x+y}| & \enclose{updiagonalstrike}{x+y}\\
\verb|\enclose{downdiagonalstrike}{x+y}| & \enclose{downdiagonalstrike}{x+y}\\
\verb|\enclose{horizontalstrike,updiagonalstrike}{x+y}| & \enclose{horizontalstrike,updiagonalstrike}{x+y}\\
\end{array}
$$
<h3 id="修饰符"><a href="#修饰符" class="headerlink" title="修饰符"></a>修饰符</h3><p>下面列出一些常见的文字修饰符：</p>
<p><code>\overline</code> $\overline A$</p>
<p><code>\underline</code> $\underline B$</p>
<p><code>\widetilde</code> $\widetilde C$</p>
<p><code>\widehat</code> $\widehat D$</p>
<p><code>\fbox</code> $\fbox {$E$}$</p>
<p><code>\underleftarrow</code> $\underleftarrow{F}$</p>
<p><code>\underrightarrow</code> $\underrightarrow{G}$</p>
<p><code>\underleftrightarrow</code> $\underleftrightarrow{H}$</p>
<p><code>\overbrace</code> $\overbrace{(n - 2) + \overbrace{(n - 1) + n + (n + 1)} + (n + 2)}$</p>
<p><code>\underbrace</code> $(n \underbrace{- 2) + (n \underbrace{- 1) + n + (n +} 1) + (n +} 2)$</p>
<p><code>\overbrace</code>和<code>\underbrace</code>，可以添加上标/下标的文本。如<code>\underbrace{a\cdot a\cdots a}_{b\text{ times}}</code>展示为：</p>
<p>$$\underbrace{a\cdot a\cdots a}_{b\text{ times}}$$</p>
<p>音阶修饰符：</p>
<p><code>\check</code> $\check{I}$</p>
<p><code>\acute</code> $\acute{J}$</p>
<p><code>\grave</code> $\grave{K}$</p>
<h3 id="标签与标记"><a href="#标签与标记" class="headerlink" title="标签与标记"></a>标签与标记</h3><p>一些长公式，可能需要进行一些标注，或者是注明序号。</p>
<p><code>a := x^2-y^3 \tag{*}\label{*}</code></p>
<p>$$a := x^2-y^3 \tag{*}\label{*}$$</p>
<p>方程式等号之上也可以添加一些本文标注：</p>
<p><code>a+y^3 \stackrel{\eqref{*}}= x^2</code></p>
<p>$$a+y^3 \stackrel{\eqref{*}}= x^2$$</p>
<p>不带括号也可以，使用<code>\ref{somelabel}</code>即可。</p>
<h3 id="自定义命令"><a href="#自定义命令" class="headerlink" title="自定义命令"></a>自定义命令</h3><p>使用<code>\newcommand</code>可以进行功能自定义。</p>
<p><code>\newcommand{\SES}[3]{ 0 \to #1 \to #2 \to #3 \to 0 }</code></p>
<p>定义过的命令<code>SES</code>就可以进行调用了：<code>\SES{A}{B}{C}</code></p>
<p>$$<br>\newcommand{\SES}[3]{ 0 \to #1 \to #2 \to #3 \to 0 }<br>\SES{A}{B}{C}<br>$$</p>
<h3 id="指定操作符"><a href="#指定操作符" class="headerlink" title="指定操作符"></a>指定操作符</h3><p>使用<code>\operatorname{…}</code>可以指定任意文本作为操作符进行展示。</p>
<p>如<code>\operatorname{arsinh}(x)</code>展示为$\operatorname{arsinh}(x)$。</p>
<p>如果写成<code>arsinh(x)</code>，会造成字体显示不对：$arsinh(x)$；写成<code>\arsinh(x)</code>则会报错。</p>
<h3 id="极限"><a href="#极限" class="headerlink" title="极限"></a>极限</h3><p>在极限符号<code>\lim</code>后再跟一个<code> \limits</code>可以添加极限的下标。</p>
<p><code>\lim \limits_{x \to 1} \frac{x^2-1}{x-1}</code></p>
<p>$\lim \limits_{x \to 1} \frac{x^2-1}{x-1}$</p>
<h3 id="高亮"><a href="#高亮" class="headerlink" title="高亮"></a>高亮</h3><p>使用<code>\bbox</code>可以对方程式进行高亮展示。</p>
<p>如：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div></pre></td><td class="code"><pre><div class="line">\bbox[yellow]</div><div class="line">{</div><div class="line">e^x=\lim_{n\to\infty} \left( 1+\frac{x}{n} \right)^n</div><div class="line">\qquad (1)</div><div class="line">}</div></pre></td></tr></table></figure>
<p>将展示为：</p>
$$ \bbox[yellow]
{
e^x=\lim_{n\to\infty} \left( 1+\frac{x}{n} \right)^n
\qquad (1)
}
$$
<p>可以添加内边距：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div></pre></td><td class="code"><pre><div class="line">$$ \bbox[yellow,5px]</div><div class="line">{</div><div class="line">e^x=\lim_{n\to\infty} \left( 1+\frac{x}{n} \right)^n</div><div class="line">\qquad (1)</div><div class="line">}</div><div class="line">$$</div></pre></td></tr></table></figure>
$$ \bbox[yellow,5px]
{
e^x=\lim_{n\to\infty} \left( 1+\frac{x}{n} \right)^n
\qquad (1)
}
$$
<p>也可以指定边框：</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><div class="line">1</div><div class="line">2</div><div class="line">3</div><div class="line">4</div><div class="line">5</div><div class="line">6</div></pre></td><td class="code"><pre><div class="line">$$ \bbox[#1695ea,5px,border:2px solid cyan]</div><div class="line">{</div><div class="line">e^x=\lim_{n\to\infty} \left( 1+\frac{x}{n} \right)^n</div><div class="line">\qquad (2)</div><div class="line">}</div><div class="line">$$</div></pre></td></tr></table></figure>
$$ \bbox[#1695ea,5px,border:2px solid cyan]
{
e^x=\lim_{n\to\infty} \left( 1+\frac{x}{n} \right)^n
\qquad (2)
}
$$
<hr>
<p>本文完。</p>
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<div class="post-toc-content"><ol class="nav"><li class="nav-item nav-level-3"><a class="nav-link" href="#矩阵"><span class="nav-number">1.</span> <span class="nav-text">矩阵</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#对齐的方程式"><span class="nav-number">2.</span> <span class="nav-text">对齐的方程式</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#分段函数"><span class="nav-number">3.</span> <span class="nav-text">分段函数</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#数组表格化"><span class="nav-number">4.</span> <span class="nav-text">数组表格化</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#带颜色的文本"><span class="nav-number">5.</span> <span class="nav-text">带颜色的文本</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#交叉线"><span class="nav-number">6.</span> <span class="nav-text">交叉线</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#修饰符"><span class="nav-number">7.</span> <span class="nav-text">修饰符</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#标签与标记"><span class="nav-number">8.</span> <span class="nav-text">标签与标记</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#自定义命令"><span class="nav-number">9.</span> <span class="nav-text">自定义命令</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#指定操作符"><span class="nav-number">10.</span> <span class="nav-text">指定操作符</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#极限"><span class="nav-number">11.</span> <span class="nav-text">极限</span></a></li><li class="nav-item nav-level-3"><a class="nav-link" href="#高亮"><span class="nav-number">12.</span> <span class="nav-text">高亮</span></a></li></ol></div>
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