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Тема |
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ecological valence [1] |
ecological variation [1] |
Ecology [1] |
ecology [5] |
economic crisis [1] |
economic development [2] |
economic effects [1] |
economic gain [1] |
economic importance [2] |
economic losses [1] |
economic of production [1] |
economic profitability [1] |
economic significance [1] |
economic threshold [1] |
economic thresholds [1] |
economical production [1] |
economically significant diseases [1] |
economics [2] |
economy [2] |
ecosystem [3] |