<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟学堂()</title>
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<img id="compman" src="compman.gif" lowsrc="compman_lowres.gif" alt="Computerman" width="107" height="98">
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<script>
var x=document.getElementById("compman");
document.write('<a href="' + x.lowsrc + '">低分辨率</a>');
</script>
</body>
</html>