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<title>W3Cschool教程(w3cschool.cn)</title>
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<td>李小龙</td>
<td>霍元甲</td>
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<td>黄飞鸿</td>
<td>陈真</td>
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<p><b>注意:</b> IE8 以及更早版本的浏览器当仅定义一个!DOCTYPE时会崩溃:</p>
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