Used by veterans of newsgroups to refer to September 1993 when access to newsgroups became more generally available. According to these veterans, the quality of discussion on the newsgroups markedly declined.
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。