| 单词 | T3 |
| 释义 | T3 Corresponds to DS-3 (Digital Signal Three), the third level in the North American T-carrier digital hierarchy. Designed for long-haul transmission in support of interoffice trunking in the public switched 74570c20.qxd 9/12/07 12:44 AM Page 473 |
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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。