| |||
| synkront digitalt hierarki; synchronous digital hierarchy | |||
| 英语 词库 | |||
| |||
| SDH (FDDI, ATM, SDH) | |||
| SDH (ITU-T); SDH (SONET) | |||
| SDH | |||
| |||
| SDH | |||
|
Synchronous Digital Hierarchy : 2 短语, 1 学科 |
| 通讯 | 2 |
| |||
| synkront digitalt hierarki; synchronous digital hierarchy | |||
| 英语 词库 | |||
| |||
| SDH (FDDI, ATM, SDH) | |||
| SDH (ITU-T); SDH (SONET) | |||
| SDH | |||
| |||
| SDH | |||
|
Synchronous Digital Hierarchy : 2 短语, 1 学科 |
| 通讯 | 2 |