删除711字节、
2013年4月23日 (二) 14:49 以下行是添加（+）和删除（-）的内容：
<parsererror style="display: block; white-space: pre; border: 2px solid #c77; padding: 0 1em 0 1em; margin: 1em; background-color: #fdd; color: black">=== This page contains the following errors: ===<div style="font-family:monospace;font-size:12px">error on line 1 at column 934: Comment not terminated</div>=== Below is a rendering of the page up to the first error. ===</parsererror>| <img _fck_mw_valid="false" _fck_mw_filename="Crystal Clear app internet.png" _fck_mw_location="center" _fck_mw_width="40" alt="Crystal Clear app internet.png" class="fck_mw_center fck_mw_notfound" />| <br/>| style="font-size:95%" | '''<a _fcknotitle="true" href="%E5%A4%8D%E6%9D%82%E7%B3%BB%E7%BB%9F">复杂系统</a> '''<br/>| style="font-size:95%" |