这个是每个公司都有吗

是的，具体到每个公司

能更新到2020年吗

请问有单独19年的嘛

同求!!!

可以更新到2020吗

您好，请问有参考文献吗？

这个怎么用stata处理呢，我买了但是不知道怎么用stata处理

已更新到2021年，需要可以联系哦

您好 您区策导向媒体和市场导向媒体了嘛

<!-- markdown css tag --><div class="pinggu_markdown">
<div class="pinggu_markdown__html"><h1 id="欢迎使用markdown编辑器">欢迎使用Markdown编辑器</h1>
<blockquote>
<p>经管之家：Do the best economic and management education！</p>
</blockquote>
<p>你好！ 这是你第一次使用 <strong>Markdown编辑器</strong> 所展示的欢迎页。如果你想学习如何使用Markdown编辑器, 可以仔细阅读这篇文章，了解一下Markdown的基本语法知识。</p>
<h2 id="功能快捷键">功能快捷键</h2>
<p>撤销：<kbd>Ctrl/Command</kbd> + <kbd>Z</kbd><br>
重做：<kbd>Ctrl/Command</kbd> + <kbd>Y</kbd><br>
加粗：<kbd>Ctrl/Command</kbd> + <kbd>B</kbd><br>
斜体：<kbd>Ctrl/Command</kbd> + <kbd>I</kbd><br>
标题：<kbd>Ctrl/Command</kbd> + <kbd>Shift</kbd> + <kbd>H</kbd><br>
无序列表：<kbd>Ctrl/Command</kbd> + <kbd>Shift</kbd> + <kbd>U</kbd><br>
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检查列表：<kbd>Ctrl/Command</kbd> + <kbd>Shift</kbd> + <kbd>C</kbd><br>
插入代码：<kbd>Ctrl/Command</kbd> + <kbd>Shift</kbd> + <kbd>K</kbd><br>
插入链接：<kbd>Ctrl/Command</kbd> + <kbd>Shift</kbd> + <kbd>L</kbd><br>
插入图片：<kbd>Ctrl/Command</kbd> + <kbd>Shift</kbd> + <kbd>G</kbd></p>
<h2 id="合理的创建标题，有助于目录的生成">合理的创建标题，有助于目录的生成</h2>
<p>直接输入1次<kbd>#</kbd>，并按下<kbd>space</kbd>后，将生成1级标题。<br>
输入2次<kbd>#</kbd>，并按下<kbd>space</kbd>后，将生成2级标题。<br>
以此类推，我们支持6级标题。</p>
<h2 id="如何改变文本的样式">如何改变文本的样式</h2>
<p><em>强调文本</em> <em>强调文本</em></p>
<p><strong>加粗文本</strong> <strong>加粗文本</strong></p>
<p><mark>标记文本</mark></p>
<p><s>删除文本</s></p>
<blockquote>
<p>引用文本</p>
</blockquote>
<p>H₂O is是液体。</p>
<p>2¹⁰ 运算结果是 1024.</p>
<h2 id="插入链接与图片">插入链接与图片</h2>
<p>链接: <a href="https://bbs.pinggu.org">经管之家官网</a>.</p>
<p>图片:<br>
<img src="https://cdn.pinggu.org/static/2015/images/jg-logo.png" alt="Alt"></p>
<p>带尺寸的图片:</p>
<p><img src="https://cdn.pinggu.org/static/2015/images/jg-logo.png" alt="Alt" width="100" height="50"></p>
<h2 id="如何插入一段漂亮的代码片">如何插入一段漂亮的代码片</h2>
<p>选择一款你喜欢的代码片高亮样式，下面展示同样高亮的 <code>代码片</code>.</p>
<pre class=" language-python"><code class="prism  language-python"><span class="token keyword">def</span> <span class="token function">get_abs</span><span class="token punctuation">(</span>x<span class="token punctuation">)</span><span class="token punctuation">:</span>
    <span class="token keyword">if</span> <span class="token operator">not</span> <span class="token builtin">isinstance</span><span class="token punctuation">(</span>x<span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token builtin">int</span><span class="token punctuation">,</span> <span class="token builtin">float</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">:</span>
        <span class="token keyword">raise</span> TypeError<span class="token punctuation">(</span><span class="token string">'bad operand type'</span><span class="token punctuation">)</span>
    <span class="token keyword">if</span> x <span class="token operator">&gt;=</span> <span class="token number">0</span><span class="token punctuation">:</span>
        <span class="token keyword">return</span> x
    <span class="token keyword">else</span><span class="token punctuation">:</span>
        <span class="token keyword">return</span> <span class="token operator">-</span>x
</code></pre>
<h2 id="生成一个适合你的列表">生成一个适合你的列表</h2>
<ul>
<li>项目
<ul>
<li>项目
<ul>
<li>项目</li>
</ul>
</li>
</ul>
</li>
</ul>
<ol>
<li>项目1</li>
<li>项目2</li>
<li>项目3</li>
</ol>
<ul>
<li class="task-list-item"><input type="checkbox" class="task-list-item-checkbox" disabled=""> 计划任务</li>
<li class="task-list-item"><input type="checkbox" class="task-list-item-checkbox" disabled=""> 完成任务</li>
</ul>
<h2 id="创建一个表格">创建一个表格</h2>
<p>一个简单的表格是这么创建的：</p>

<table>
<thead>
<tr>
<th>项目</th>
<th>Value</th>
</tr>
</thead>
<tbody>
<tr>
<td>电脑</td>
<td>$1600</td>
</tr>
<tr>
<td>手机</td>
<td>$12</td>
</tr>
<tr>
<td>导管</td>
<td>$1</td>
</tr>
</tbody>
</table><h3 id="设定内容居中、居左、居右">设定内容居中、居左、居右</h3>
<p>使用<code>:---------:</code>居中<br>
使用<code>:----------</code>居左<br>
使用<code>----------:</code>居右</p>

<table>
<thead>
<tr>
<th align="center">第一列</th>
<th align="right">第二列</th>
<th align="left">第三列</th>
</tr>
</thead>
<tbody>
<tr>
<td align="center">第一列文本居中</td>
<td align="right">第二列文本居右</td>
<td align="left">第三列文本居左</td>
</tr>
</tbody>
</table><h3 id="smartypants">SmartyPants</h3>
<p>SmartyPants将ASCII标点字符转换为“智能”印刷标点HTML实体。例如：</p>

<table>
<thead>
<tr>
<th>TYPE</th>
<th>ASCII</th>
<th><abbr title="超文本标记语言">HTML</abbr></th>
</tr>
</thead>
<tbody>
<tr>
<td>Single backticks</td>
<td><code>'Isn't this fun?'</code></td>
<td>‘Isn’t this fun?’</td>
</tr>
<tr>
<td>Quotes</td>
<td><code>"Isn't this fun?"</code></td>
<td>“Isn’t this fun?”</td>
</tr>
<tr>
<td>Dashes</td>
<td><code>-- is en-dash, --- is em-dash</code></td>
<td>– is en-dash, — is em-dash</td>
</tr>
</tbody>
</table><h2 id="创建一个自定义列表">创建一个自定义列表</h2>
<dl>
<dt>Markdown</dt>
<dd>Text-to-<abbr title="超文本标记语言">HTML</abbr> conversion tool</dd>
<dt>Authors</dt>
<dd>John</dd>
<dd>Luke</dd>
</dl>
<h2 id="如何创建一个注脚">如何创建一个注脚</h2>
<p>一个具有注脚的文本。<sup class="footnote-ref"><a href="#fn1" id="fnref1">1</a></sup></p>
<h2 id="注释也是必不可少的">注释也是必不可少的</h2>
<p>Markdown将文本转换为 <abbr title="超文本标记语言">HTML</abbr>。</p>
<h2 id="katex数学公式">KaTeX数学公式</h2>
<p>您可以使用渲染LaTeX数学表达式 <a href="https://khan.github.io/KaTeX/">KaTeX</a>:</p>
<p>Gamma公式展示 <span class="katex--inline"><span class="katex"><span class="katex-mathml"><math><semantics><mrow><mi mathvariant="normal">Γ</mi><mo>(</mo><mi>n</mi><mo>)</mo><mo>=</mo><mo>(</mo><mi>n</mi><mo>−</mo><mn>1</mn><mo>)</mo><mo>!</mo><mspace width="1em"></mspace><mi mathvariant="normal">∀</mi><mi>n</mi><mo>∈</mo><mi mathvariant="double-struck">N</mi></mrow><annotation encoding="application/x-tex">\Gamma(n) = (n-1)!\quad\forall
n\in\mathbb N</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height: 1em; vertical-align: -0.25em;"></span><span class="mord">Γ</span><span class="mopen">(</span><span class="mord mathit">n</span><span class="mclose">)</span><span class="mspace" style="margin-right: 0.277778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right: 0.277778em;"></span></span><span class="base"><span class="strut" style="height: 1em; vertical-align: -0.25em;"></span><span class="mopen">(</span><span class="mord mathit">n</span><span class="mspace" style="margin-right: 0.222222em;"></span><span class="mbin">−</span><span class="mspace" style="margin-right: 0.222222em;"></span></span><span class="base"><span class="strut" style="height: 1em; vertical-align: -0.25em;"></span><span class="mord">1</span><span class="mclose">)</span><span class="mclose">!</span><span class="mspace" style="margin-right: 1em;"></span><span class="mord">∀</span><span class="mord mathit">n</span><span class="mspace" style="margin-right: 0.277778em;"></span><span class="mrel">∈</span><span class="mspace" style="margin-right: 0.277778em;"></span></span><span class="base"><span class="strut" style="height: 0.68889em; vertical-align: 0em;"></span><span class="mord mathbb">N</span></span></span></span></span> 是通过欧拉积分</p>
<p><span class="katex--display"><span class="katex-display"><span class="katex"><span class="katex-mathml"><math><semantics><mrow><mi mathvariant="normal">Γ</mi><mo>(</mo><mi>z</mi><mo>)</mo><mo>=</mo><msubsup><mo>∫</mo><mn>0</mn><mi mathvariant="normal">∞</mi></msubsup><msup><mi>t</mi><mrow><mi>z</mi><mo>−</mo><mn>1</mn></mrow></msup><msup><mi>e</mi><mrow><mo>−</mo><mi>t</mi></mrow></msup><mi>d</mi><mi>t</mi>&amp;ThinSpace;<mi mathvariant="normal">.</mi></mrow><annotation encoding="application/x-tex">
\Gamma(z) = \int_0^\infty t^{z-1}e^{-t}dt\,.
</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height: 1em; vertical-align: -0.25em;"></span><span class="mord">Γ</span><span class="mopen">(</span><span class="mord mathit" style="margin-right: 0.04398em;">z</span><span class="mclose">)</span><span class="mspace" style="margin-right: 0.277778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right: 0.277778em;"></span></span><span class="base"><span class="strut" style="height: 2.32624em; vertical-align: -0.91195em;"></span><span class="mop"><span class="mop op-symbol large-op" style="margin-right: 0.44445em; position: relative; top: -0.001125em;">∫</span><span class="msupsub"><span class="vlist-t vlist-t2"><span class="vlist-r"><span class="vlist" style="height: 1.41429em;"><span class="" style="top: -1.78805em; margin-left: -0.44445em; margin-right: 0.05em;"><span class="pstrut" style="height: 2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">0</span></span></span><span class="" style="top: -3.8129em; margin-right: 0.05em;"><span class="pstrut" style="height: 2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight">∞</span></span></span></span><span class="vlist-s">​</span></span><span class="vlist-r"><span class="vlist" style="height: 0.91195em;"><span class=""></span></span></span></span></span></span><span class="mspace" style="margin-right: 0.166667em;"></span><span class="mord"><span class="mord mathit">t</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height: 0.864108em;"><span class="" style="top: -3.113em; margin-right: 0.05em;"><span class="pstrut" style="height: 2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mathit mtight" style="margin-right: 0.04398em;">z</span><span class="mbin mtight">−</span><span class="mord mtight">1</span></span></span></span></span></span></span></span></span><span class="mord"><span class="mord mathit">e</span><span class="msupsub"><span class="vlist-t"><span class="vlist-r"><span class="vlist" style="height: 0.843556em;"><span class="" style="top: -3.113em; margin-right: 0.05em;"><span class="pstrut" style="height: 2.7em;"></span><span class="sizing reset-size6 size3 mtight"><span class="mord mtight"><span class="mord mtight">−</span><span class="mord mathit mtight">t</span></span></span></span></span></span></span></span></span><span class="mord mathit">d</span><span class="mord mathit">t</span><span class="mspace" style="margin-right: 0.166667em;"></span><span class="mord">.</span></span></span></span></span></span></p>
<blockquote>
<p>你可以找到更多关于的信息 <strong>LaTeX</strong> 数学表达式[here][1].</p>
</blockquote>
<h2 id="新的甘特图功能，丰富你的文章">新的甘特图功能，丰富你的文章</h2>
<div class="mermaid"><svg xmlns="http://www.w3.org/2000/svg" id="mermaid-svg-m5b4kdGwlM34xS1V" height="100%" viewBox="0 0 500 196"><g></g><g class="grid" transform="translate(75, 146)" fill="none" font-size="10" font-family="sans-serif" text-anchor="middle"><path class="domain" stroke="#000" d="M0.5,-111V0.5H350.5V-111"></path><g class="tick" opacity="1" transform="translate(22.5,0)"><line stroke="#000" y2="-111"></line><text fill="#000" y="3" dy="1em" stroke="none" font-size="10" style="text-anchor: middle;">2014-01-07</text></g><g class="tick" opacity="1" transform="translate(66.5,0)"><line stroke="#000" y2="-111"></line><text fill="#000" y="3" dy="1em" stroke="none" font-size="10" style="text-anchor: middle;">2014-01-09</text></g><g class="tick" opacity="1" transform="translate(109.5,0)"><line stroke="#000" y2="-111"></line><text fill="#000" y="3" dy="1em" stroke="none" font-size="10" style="text-anchor: middle;">2014-01-11</text></g><g class="tick" opacity="1" transform="translate(153.5,0)"><line stroke="#000" y2="-111"></line><text fill="#000" y="3" dy="1em" stroke="none" font-size="10" style="text-anchor: middle;">2014-01-13</text></g><g class="tick" opacity="1" transform="translate(197.5,0)"><line stroke="#000" y2="-111"></line><text fill="#000" y="3" dy="1em" stroke="none" font-size="10" style="text-anchor: middle;">2014-01-15</text></g><g class="tick" opacity="1" transform="translate(241.5,0)"><line stroke="#000" y2="-111"></line><text fill="#000" y="3" dy="1em" stroke="none" font-size="10" style="text-anchor: middle;">2014-01-17</text></g><g class="tick" opacity="1" transform="translate(284.5,0)"><line stroke="#000" y2="-111"></line><text fill="#000" y="3" dy="1em" stroke="none" font-size="10" style="text-anchor: middle;">2014-01-19</text></g><g class="tick" opacity="1" transform="translate(328.5,0)"><line stroke="#000" y2="-111"></line><text fill="#000" y="3" dy="1em" stroke="none" font-size="10" style="text-anchor: middle;">2014-01-21</text></g></g><g><rect x="0" y="48" width="462.5" height="24" class="section section0"></rect><rect x="0" y="72" width="462.5" height="24" class="section section0"></rect><rect x="0" y="96" width="462.5" height="24" class="section section0"></rect><rect x="0" y="120" width="462.5" height="24" class="section section0"></rect></g><g><rect rx="3" ry="3" x="75" y="50" width="44" height="20" class="task  done0"></rect><rect rx="3" ry="3" x="141" y="74" width="65" height="20" class="task  active0"></rect><rect rx="3" ry="3" x="206" y="98" width="110" height="20" class="task  task0"></rect><rect rx="3" ry="3" x="316" y="122" width="109" height="20" class="task  task0"></rect><text font-size="11" x="97" y="63.5" text-height="20" class="taskText taskText0  doneText0">已完成               </text><text font-size="11" x="173.5" y="87.5" text-height="20" class="taskText taskText0 activeText0">进行中               </text><text font-size="11" x="261" y="111.5" text-height="20" class="taskText taskText0 ">计划一               </text><text font-size="11" x="370.5" y="135.5" text-height="20" class="taskText taskText0 ">计划二               </text></g><g><text x="10" y="98" class="sectionTitle sectionTitle0">现有任务</text></g><g class="today"><line x1="70759" x2="70759" y1="25" y2="171" class="today"></line></g><text x="250" y="25" class="titleText">Adding GANTT diagram functionality to mermaid</text></svg></div>
<ul>
<li>关于 <strong>甘特图</strong> 语法，参考 [这儿][2],</li>
</ul>
<h2 id="uml-图表">UML 图表</h2>
<p>可以使用UML图表进行渲染。 <a href="https://mermaidjs.github.io/">Mermaid</a>. 例如下面产生的一个序列图：:</p>
<div class="mermaid"><svg xmlns="http://www.w3.org/2000/svg" id="mermaid-svg-J71NOBFPCrQsssI4" height="100%" width="100%" style="max-;" viewBox="-50 -10 750 431.0000009536743"><g></g><g><line id="actor3" x1="75" y1="5" x2="75" y2="420.0000009536743" class="actor-line" stroke-width="0.5px" stroke="#999"></line><rect x="0" y="0" fill="#eaeaea" stroke="#666" width="150" height="65" rx="3" ry="3" class="actor"></rect><text x="75" y="32.5" dominant-baseline="central" alignment-baseline="central" class="actor" style="text-anchor: middle;"><tspan x="75" dy="0">张三</tspan></text></g><g><line id="actor4" x1="275" y1="5" x2="275" y2="420.0000009536743" class="actor-line" stroke-width="0.5px" stroke="#999"></line><rect x="200" y="0" fill="#eaeaea" stroke="#666" width="150" height="65" rx="3" ry="3" class="actor"></rect><text x="275" y="32.5" dominant-baseline="central" alignment-baseline="central" class="actor" style="text-anchor: middle;"><tspan x="275" dy="0">李四</tspan></text></g><g><line id="actor5" x1="475" y1="5" x2="475" y2="420.0000009536743" class="actor-line" stroke-width="0.5px" stroke="#999"></line><rect x="400" y="0" fill="#eaeaea" stroke="#666" width="150" height="65" rx="3" ry="3" class="actor"></rect><text x="475" y="32.5" dominant-baseline="central" alignment-baseline="central" class="actor" style="text-anchor: middle;"><tspan x="475" dy="0">王五</tspan></text></g><defs><marker id="arrowhead" refX="5" refY="2" markerWidth="6" markerHeight="4" orient="auto"><path d="M 0,0 V 4 L6,2 Z"></path></marker></defs><defs><marker id="crosshead" markerWidth="15" markerHeight="8" orient="auto" refX="16" refY="4"><path fill="black" stroke="#000000" stroke-width="1px" d="M 9,2 V 6 L16,4 Z" style="stroke-dasharray: 0, 0;"></path><path fill="none" stroke="#000000" stroke-width="1px" d="M 0,1 L 6,7 M 6,1 L 0,7" style="stroke-dasharray: 0, 0;"></path></marker></defs><g><text x="175" y="93" class="messageText" style="text-anchor: middle;">你好！李四, 最近怎么样?</text><line x1="75" y1="100" x2="275" y2="100" class="messageLine0" stroke-width="2" stroke="black" marker-end="url(#arrowhead)" style="fill: none;"></line></g><g><text x="375" y="128" class="messageText" style="text-anchor: middle;">你最近怎么样，王五？</text><line x1="275" y1="135" x2="475" y2="135" class="messageLine1" stroke-width="2" stroke="black" marker-end="url(#arrowhead)" style="stroke-dasharray: 3, 3; fill: none;"></line></g><g><text x="175" y="163" class="messageText" style="text-anchor: middle;">我很好，谢谢!</text><line x1="275" y1="170" x2="75" y2="170" class="messageLine1" stroke-width="2" stroke="black" marker-end="url(#crosshead)" style="stroke-dasharray: 3, 3; fill: none;"></line></g><g><text x="375" y="198" class="messageText" style="text-anchor: middle;">我很好，谢谢!</text><line x1="275" y1="205" x2="475" y2="205" class="messageLine0" stroke-width="2" stroke="black" marker-end="url(#crosshead)" style="fill: none;"></line></g><g><rect x="500" y="215" fill="#EDF2AE" stroke="#666" width="150" height="50.000000953674316" rx="0" ry="0" class="note"></rect><text x="496" y="239" fill="black" class="noteText"><tspan x="516" fill="black">李四想了很长时间, 文字太长了</tspan></text><text x="496" y="254.3333339691162" fill="black" class="noteText"><tspan x="516" fill="black">不适合放在一行.</tspan></text></g><g><text x="175" y="293.0000009536743" class="messageText" style="text-anchor: middle;">打量着王五...</text><line x1="275" y1="300.0000009536743" x2="75" y2="300.0000009536743" class="messageLine1" stroke-width="2" stroke="black" marker-end="url(#arrowhead)" style="stroke-dasharray: 3, 3; fill: none;"></line></g><g><text x="275" y="328.0000009536743" class="messageText" style="text-anchor: middle;">很好... 王五, 你怎么样?</text><line x1="75" y1="335.0000009536743" x2="475" y2="335.0000009536743" class="messageLine0" stroke-width="2" stroke="black" marker-end="url(#arrowhead)" style="fill: none;"></line></g><g><rect x="0" y="355.0000009536743" fill="#eaeaea" stroke="#666" width="150" height="65" rx="3" ry="3" class="actor"></rect><text x="75" y="387.5000009536743" dominant-baseline="central" alignment-baseline="central" class="actor" style="text-anchor: middle;"><tspan x="75" dy="0">张三</tspan></text></g><g><rect x="200" y="355.0000009536743" fill="#eaeaea" stroke="#666" width="150" height="65" rx="3" ry="3" class="actor"></rect><text x="275" y="387.5000009536743" dominant-baseline="central" alignment-baseline="central" class="actor" style="text-anchor: middle;"><tspan x="275" dy="0">李四</tspan></text></g><g><rect x="400" y="355.0000009536743" fill="#eaeaea" stroke="#666" width="150" height="65" rx="3" ry="3" class="actor"></rect><text x="475" y="387.5000009536743" dominant-baseline="central" alignment-baseline="central" class="actor" style="text-anchor: middle;"><tspan x="475" dy="0">王五</tspan></text></g></svg></div>
<p>这将产生一个流程图。:</p>
<div class="mermaid"><svg xmlns="http://www.w3.org/2000/svg" id="mermaid-svg-eDMDVG2se9TBdIiw" width="100%" style="max-width: 404.8468780517578px;" viewBox="0 0 404.8468780517578 159.4375"><g transform="translate(-12, -12)"><g class="output"><g class="clusters"></g><g class="edgePaths"><g class="edgePath" style="opacity: 1;"><path class="path" d="M88,69.79583333333333L129,43.359375L196.640625,43.359375" marker-end="url(#arrowhead33)" style="fill:none"></path><defs><marker id="arrowhead33" viewBox="0 0 10 10" refX="9" refY="5" markerUnits="strokeWidth" markerWidth="8" markerHeight="6" orient="auto"><path d="M 0 0 L 10 5 L 0 10 z" class="arrowheadPath" style="stroke-width: 1; stroke-dasharray: 1, 0;"></path></marker></defs></g><g class="edgePath" style="opacity: 1;"><path class="path" d="M88,113.64166666666667L129,140.078125L170,140.078125" marker-end="url(#arrowhead34)" style="fill:none"></path><defs><marker id="arrowhead34" viewBox="0 0 10 10" refX="9" refY="5" markerUnits="strokeWidth" markerWidth="8" markerHeight="6" orient="auto"><path d="M 0 0 L 10 5 L 0 10 z" class="arrowheadPath" style="stroke-width: 1; stroke-dasharray: 1, 0;"></path></marker></defs></g><g class="edgePath" style="opacity: 1;"><path class="path" d="M243.359375,43.359375L295,43.359375L338.7394151343534,73.97933333976768" marker-end="url(#arrowhead35)" style="fill:none"></path><defs><marker id="arrowhead35" viewBox="0 0 10 10" refX="9" refY="5" markerUnits="strokeWidth" markerWidth="8" markerHeight="6" orient="auto"><path d="M 0 0 L 10 5 L 0 10 z" class="arrowheadPath" style="stroke-width: 1; stroke-dasharray: 1, 0;"></path></marker></defs></g><g class="edgePath" style="opacity: 1;"><path class="path" d="M270,140.078125L295,140.078125L338.73941693311764,110.45816540723891" marker-end="url(#arrowhead36)" style="fill:none"></path><defs><marker id="arrowhead36" viewBox="0 0 10 10" refX="9" refY="5" markerUnits="strokeWidth" markerWidth="8" markerHeight="6" orient="auto"><path d="M 0 0 L 10 5 L 0 10 z" class="arrowheadPath" style="stroke-width: 1; stroke-dasharray: 1, 0;"></path></marker></defs></g></g><g class="edgeLabels"><g class="edgeLabel" transform="translate(129,43.359375)" style="opacity: 1;"><g transform="translate(-16,-13.359375)" class="label"><foreignObject width="32" height="26.71875"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;"><span class="edgeLabel">链接</span></div></foreignObject></g></g><g class="edgeLabel" style="opacity: 1;" transform=""><g transform="translate(0,0)" class="label"><foreignObject width="0" height="0"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;"><span class="edgeLabel"></span></div></foreignObject></g></g><g class="edgeLabel" style="opacity: 1;" transform=""><g transform="translate(0,0)" class="label"><foreignObject width="0" height="0"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;"><span class="edgeLabel"></span></div></foreignObject></g></g><g class="edgeLabel" style="opacity: 1;" transform=""><g transform="translate(0,0)" class="label"><foreignObject width="0" height="0"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;"><span class="edgeLabel"></span></div></foreignObject></g></g></g><g class="nodes"><g class="node" id="A" transform="translate(54,91.71875)" style="opacity: 1;"><rect rx="0" ry="0" x="-34" y="-23.359375" width="68" height="46.71875"></rect><g class="label" transform="translate(0,0)"><g transform="translate(-24,-13.359375)"><foreignObject width="48" height="26.71875"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;">长方形</div></foreignObject></g></g></g><g class="node" style="opacity: 1;" id="B" transform="translate(220,43.359375)"><circle x="-18" y="-23.359375" r="23.359375"></circle><g class="label" transform="translate(0,0)"><g transform="translate(-8,-13.359375)"><foreignObject width="16" height="26.71875"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;">圆</div></foreignObject></g></g></g><g class="node" style="opacity: 1;" id="C" transform="translate(220,140.078125)"><rect rx="5" ry="5" x="-50" y="-23.359375" width="100" height="46.71875"></rect><g class="label" transform="translate(0,0)"><g transform="translate(-40,-13.359375)"><foreignObject width="80" height="26.71875"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;">圆角长方形</div></foreignObject></g></g></g><g class="node" style="opacity: 1;" id="D" transform="translate(364.4234390258789,91.71875)"><polygon points="44.4234375,0 88.846875,-44.4234375 44.4234375,-88.846875 0,-44.4234375" rx="5" ry="5" transform="translate(-44.4234375,44.4234375)"></polygon><g class="label" transform="translate(0,0)"><g transform="translate(-16,-13.359375)"><foreignObject width="32" height="26.71875"><div xmlns="http://www.w3.org/1999/xhtml" style="display: inline-block; white-space: nowrap;">菱形</div></foreignObject></g></g></g></g></g></g></svg></div>
<ul>
<li>关于 <strong>Mermaid</strong> 语法，参考 [这儿][3],<br>
[1]: <a href="http://meta.math.stackexchange.com/questions/5020/mathjax-basic-tutorial-and-quick-reference">http://meta.math.stackexchange.com/questions/5020/mathjax-basic-tutorial-and-quick-reference</a><br>
[2]: <a href="https://mermaidjs.github.io/">https://mermaidjs.github.io/</a><br>
[3]: <a href="https://mermaidjs.github.io/">https://mermaidjs.github.io/</a><br>
[4]: <a href="http://adrai.github.io/flowchart.js/">http://adrai.github.io/flowchart.js/</a></li>
</ul>
<hr class="footnotes-sep">
<section class="footnotes">
<ol class="footnotes-list">
<li id="fn1" class="footnote-item"><p>注脚的解释 <a href="#fnref1" class="footnote-backref">↩︎</a></p>
</li>
</ol>
</section>
</div>
</div>

刚刚购买，请问楼主第三个文件媒体关注度是如何计算的

你好请问有2020年的吗 万分感谢

你好，请问判断新闻的正面与负面的依据是？