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我想不通为什么这段代码中只显示了顶部和底部的表格。中间的 PDF 存在，没有显示任何类型的错误，PDF 只是没有显示在页面上。有什么想法吗？
<h1>Continuing Education</h1>
<table id="tblouter">
<tr>
<td id="bordernone_aligncenter" rowspan="2" width="200">
<img src="images/random/LauraMortimer.jpg" alt="Laura Mortimer" width="170" height="250"/>
</td>
<td id="bordernone_aligncenter">
<b>
Introduction to Conversational ASL for Dental Professionals<br>
Wednesday, October 7 from 6 – 9 p.m.<br>
Location TBD
</b>
</td>
</tr>
<tr>
<td id="bordernone_alignleft">
<b>Laura Mortimer</b>, BEI II interpreter, graduated from Mott Community College’s Sign Language Interpreter Education program and has been employed as an educational interpreter, video relay interpreter, freelance interpreter, agency coordinator, and instructor. As an instructor, she prepares aspiring ASL/English interpreting students for the language demands and environmental challenges that will be faced as certified interpreters.<br>
<br>
<b>Course Overview:</b>
<ul>
<li>Discuss possible misconceptions about the language
<li>Learn how to work with deaf/hard of hearing patients in the office
<li>Practice basic signs and greetings
</ul>
</td>
</tr>
</table>
For more information contact us through our facebook page:<br>
<a href="https://www.facebook.com/groups/GDDAS/" target="_blank">Genesee District Dental Assistants Society</a><br>
<br>
<br>
<table id="tblouter">
<tr>
<td id="bordernone_aligncenter">
<embed src="images/random/MOM20151024.pdf" width="900px" height="1150px">
</td>
</tr>
</table>
<br>
<br>
<table id="tblouter">
<tr>
<td id="bordernone_aligncenter">
<embed src="images/random/MOM2015.pdf" width="900px" height="1150px">
</td>
</tr>
</table>
最佳答案
尝试更改您的第一个表 ID 的名称“tbleouter”，并在您的 html 和 css 中更改第一个 td id 的名称“bordernone_aligncenter”。
关于html - 为什么这个 HTML 页面不起作用？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/32832999/