 |
| |||
| research into environmental protection | |||
| исследование в области охраны окружающей среды: 10 phrases in 7 subjects |
| Ecology | 2 |
| Energy industry | 2 |
| Sakhalin | 2 |
| Scientific | 1 |
| Technology | 1 |
| United Nations | 1 |
| Water supply | 1 |
|
| |||
| research into environmental protection | |||
| исследование в области охраны окружающей среды: 10 phrases in 7 subjects |
| Ecology | 2 |
| Energy industry | 2 |
| Sakhalin | 2 |
| Scientific | 1 |
| Technology | 1 |
| United Nations | 1 |
| Water supply | 1 |