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=107'>如何判断编码器的好坏</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=105'>MODBUSRTU信号编码器和西门子Smart200通讯程序（案例）</a></div>")