 |
| |||
| channel allocation | |||
| channel assignment | |||
| 信道 分配: 45 phrases in 9 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Communications | 2 |
| Computer networks | 4 |
| Electronics | 18 |
| Information technology | 4 |
| Space | 6 |
| Technology | 3 |
| Telecommunications | 6 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips