 |
| |||
| absorption ratio | |||
| отношение поглощения: 5 phrases in 5 subjects |
| Astronautics | 1 |
| Business | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear and fusion power | 1 |
| Technology | 1 |
|
| |||
| absorption ratio | |||
| отношение поглощения: 5 phrases in 5 subjects |
| Astronautics | 1 |
| Business | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nuclear and fusion power | 1 |
| Technology | 1 |