document.write("<div class='udPage'><img src='/image/title.gif' width='8' height='9' />&nbsp;&nbsp;<b>上一篇：</b><a href='/articledetail.asp?article_id=154'>CAN信号绝对值编码器的功能介绍</a></div><div class='udPage'><img src='/image/title.gif' width='8' height='9' />&nbsp;&nbsp;<b>下一篇：</b><a href='/articledetail.asp?article_id=152'>EtherCAT信号绝对值编码器的介绍</a></div>")