| 单词 | DS-1 (Digital Signal Level One) |
| 释义 | DS-1 (Digital Signal Level One) The signal level for a digital carrier system operating at level one of the North American digital signal hierarchy. A DS-1 corresponds with a T1 in the North American hierarchy. See also digital signal hierarchy and T1. |
| 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。