| |||
| direction de propagation | |||
|
propagation direction : 8 phrases in 5 subjects |
| Electronics | 3 |
| Natural resourses and wildlife conservation | 2 |
| Radio | 1 |
| Research and development | 1 |
| Technology | 1 |
| |||
| direction de propagation | |||
|
propagation direction : 8 phrases in 5 subjects |
| Electronics | 3 |
| Natural resourses and wildlife conservation | 2 |
| Radio | 1 |
| Research and development | 1 |
| Technology | 1 |