document.write("<div class=\"prevBox\"><div class=\"prevBtn\"></div><p><a href=\"/story?sid=64253\">MassBrowser：为大众服务的抗审查浏览器</a></p></div>");document.write("<div class=\"nextBox\"><div class=\"nextBtn\"></div><p><a href=\"/story?sid=64255\">科学家发现恢复实验鼠端粒长度的分子</a></p></div>");