 |
| |||
| radiation du ciel | |||
| rayonnement du ciel | |||
| излучение неба: 6 phrases in 4 subjects |
| Astronautics | 3 |
| Natural resourses and wildlife conservation | 1 |
| Physics | 1 |
| Technology | 1 |
|
| |||
| radiation du ciel | |||
| rayonnement du ciel | |||
| излучение неба: 6 phrases in 4 subjects |
| Astronautics | 3 |
| Natural resourses and wildlife conservation | 1 |
| Physics | 1 |
| Technology | 1 |