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регулирование уровня : 15 phrases in 10 subjects |
Astronautics | 1 |
Chemistry | 1 |
Corporate governance | 1 |
Environment | 1 |
Hydraulic engineering | 4 |
Information technology | 1 |
International Monetary Fund | 1 |
Radio | 1 |
Technology | 3 |
Радиоактивное излучение | 1 |