if(document.getElementById('relative'))document.getElementById('relative').innerHTML='<div>前一篇：<a href=\"/other/chem_knowledge/show.asp?id=684590\" target=\"_self\">页岩油气≠页岩油+页岩气</a></div>\n<div>后一篇：<a href=\"/other/chem_knowledge/show.asp?id=696609\" target=\"_self\">交通部：未来97%的公路都不收费</a></div>\n';