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<title>无标题文档</title>
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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
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<body>
<script type="text/javascript">
var MicCase = {
//获取滚动条当前的位置
getScrollTop:function()
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