T.3
A set of standards for facsimile (fax) machines published by the ITU-T in 1978. Machines conforming to T.2 later became known as Group II. See also facsimile, Group II, ITU-T, T.2, T.4, and T.6.
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。