document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=68070\">美国将禁止认证华为等中企通信设备</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=68072\">mRNA 疟疾疫苗对实验鼠提供全面的保护</a></p></div>");