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environmental variation | |||
environmental change |
изменение внешних условий : 18 phrases in 10 subjects |
Animal husbandry | 2 |
Automated equipment | 1 |
Biology | 1 |
Computers | 2 |
Ecology | 5 |
Makarov | 1 |
Mass media | 2 |
Military | 1 |
Psychology | 1 |
Technology | 2 |