<link rel="stylesheet" href="" type="text/css" media="screen" />
<link rel="alternate" type="application/rss+xml" title="" />
<link rel="pingback" href="" />
<link rel="stylesheet" rev="stylesheet" href="" type="text/css" media="screen">
<link rel="EditURI" type="application/rsd+xml" title="RSD" href="" />
<link rel="wlwmanifest" type="application/wlwmanifest+xml" href="" />
<meta name="generator" content="WordPress 3.4.2" />
这些代码都是什么意思?求详细解答