document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=71033\">机器学习帮助识别宜居系外行星</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=71035\">天文学家接近揭开快速射电暴的神秘起源 </a></p></div>");