A tag in an earlier version of the Hypertext Markup Language which has been replaced by a better facility in a later version. While the tag is not banned there are usually strong recommendations that it should not be used.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。