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класс; слой | |||
уровень | |||
ступень | |||
покрытие; ярус |
طبقة : 73 phrases in 16 subjects |
Corporate governance | 1 |
Environment | 7 |
Fish farming pisciculture | 1 |
Fishery fishing industry | 2 |
General | 2 |
Ichthyology | 1 |
Mathematics | 1 |
Microsoft | 14 |
Name of organization | 1 |
Oceanography & oceanology | 3 |
Oil / petroleum | 19 |
Soil science | 1 |
Technology | 2 |
United Nations | 12 |
Water resources | 3 |
Water supply | 3 |