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<span style="color:#18191C;font-family:&quot;font-size:15px;background-color:#FFFFFF;"><strong>主从复制也是很常见的技术,感兴趣的小伙伴可以了解下~</strong></span>
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<span style="color:#18191C;font-family:&quot;font-size:15px;background-color:#FFFFFF;">&lt;iframe src="//player.bilibili.com/player.html?aid=306708285&amp;bvid=BV1RA411X7Wn&amp;cid=935303252&amp;page=1" frameborder="no" width="100%" height="500px"&gt; &lt;/iframe&gt;<br />
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