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экологическая ассоциация; экологическое сообщество |
environmental association: 34 phrases in 10 subjects |
Ecology | 13 |
Education | 2 |
Energy industry | 8 |
Environment | 1 |
General | 2 |
Oil / petroleum | 2 |
Oil and gas | 1 |
Refrigeration | 1 |
Sakhalin | 2 |
Water supply | 2 |