| |||
| synkron digital hierarki | |||
| 英语 词库 | |||
| |||
| SDH (FDDI, ATM, SDH) | |||
| SDH (ITU-T); SDH (SONET) | |||
| SDH | |||
| |||
| SDH | |||
|
Synchronous Digital Hierarchy : 3 短语, 1 学科 |
| 通讯 | 3 |
| |||
| synkron digital hierarki | |||
| 英语 词库 | |||
| |||
| SDH (FDDI, ATM, SDH) | |||
| SDH (ITU-T); SDH (SONET) | |||
| SDH | |||
| |||
| SDH | |||
|
Synchronous Digital Hierarchy : 3 短语, 1 学科 |
| 通讯 | 3 |