<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[测试公式输入，请忽略]]></title><description><![CDATA[<p dir="auto">想跟大神们求助，但是公式总是显示不出来，图片也无法上传，听说要刷新一下，在这里测试一下看是否有效</p>
<p dir="auto">\begin{equation}<br />
\alpha + \nabla\cdot p = 0<br />
\end{equation}</p>
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