closed user group (CUG)
See CUG.
ATM standards largely are outgrowths of B-ISDN standards set by the ITU-T.The ATM Forum, now
科学参考收录了5291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。