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контроль состояния энергосистемы |
surveillance de réseau : 22 phrases in 9 subjects |
Aviation | 4 |
Chemistry | 1 |
Ecology | 1 |
Military | 1 |
Name of organization | 2 |
Natural resourses and wildlife conservation | 7 |
Nuclear physics | 1 |
Radio | 1 |
United Nations | 4 |