document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=61698\">天文学家在银河系发现最古老的缺铁恒星</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=61700\">三星宣布 108MP 手机成像传感器</a></p></div>");