 |
| |||
| 综合业务数字网接口 | |||
| ISDN interface: 11 phrases in 4 subjects |
| Computer networks | 1 |
| Electronics | 4 |
| Information technology | 1 |
| Telecommunications | 5 |
|
| |||
| 综合业务数字网接口 | |||
| ISDN interface: 11 phrases in 4 subjects |
| Computer networks | 1 |
| Electronics | 4 |
| Information technology | 1 |
| Telecommunications | 5 |