 |
| |||
| environmental investigations; environmental study; environmental survey | |||
| исследование состояния окружающей среды: 10 phrases in 6 subjects |
| Caspian | 2 |
| Ecology | 2 |
| Economy | 1 |
| Energy industry | 2 |
| Medical | 1 |
| Sakhalin | 2 |
|
| |||
| environmental investigations; environmental study; environmental survey | |||
| исследование состояния окружающей среды: 10 phrases in 6 subjects |
| Caspian | 2 |
| Ecology | 2 |
| Economy | 1 |
| Energy industry | 2 |
| Medical | 1 |
| Sakhalin | 2 |