<a class="" title="" href="../../../tech/2011-09/29/content_23519610.htm" target="_blank">科学家称成功研制艾滋病疫苗</a> <a class="" title="" href="../../../tech/2011-09/29/content_23517642.htm" target="_blank">用细菌制造出有生命的密码</a> _中国发展门户网