document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=76017\">禽流感突变可能加重人类感染</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=76019\">2D 转 3D AI 创业公司用人工去手动转换</a></p></div>");