| |||
| faisceau des rayons | |||
|
rays beam : 21 phrases in 7 subjects |
| Antennas and waveguides | 1 |
| Electronics | 1 |
| Environment | 1 |
| Natural resourses and wildlife conservation | 2 |
| Nuclear physics | 3 |
| Radiation | 12 |
| Technology | 1 |
| |||
| faisceau des rayons | |||
|
rays beam : 21 phrases in 7 subjects |
| Antennas and waveguides | 1 |
| Electronics | 1 |
| Environment | 1 |
| Natural resourses and wildlife conservation | 2 |
| Nuclear physics | 3 |
| Radiation | 12 |
| Technology | 1 |