|
telecommunication system : 39 phrases in 7 subjects |
| Aviation | 1 |
| Communications | 33 |
| Electronics | 1 |
| General | 1 |
| Information technology | 1 |
| Natural resourses and wildlife conservation | 1 |
| Politics | 1 |
|
telecommunication system : 39 phrases in 7 subjects |
| Aviation | 1 |
| Communications | 33 |
| Electronics | 1 |
| General | 1 |
| Information technology | 1 |
| Natural resourses and wildlife conservation | 1 |
| Politics | 1 |