| 单词 | X.400 |
| 释义 | X.400 The ITU-T standard Message Handling Service Protocol (MHS or MHSP) for e-mail and docu- ment exchange, X.400 is a complex gateway protocol that permits disparate e-mail systems to interoperate at a minimal level, over either packet networks or asynchronous dial-up circuits. Created in 1984 and updated in 1988 and again in 1992, X.400 functions at Layer 7, the Application Layer, of the OSI 74570c24.qxd 9/11/07 12:37 PM Page 549 |
| 随便看 |
|
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。