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средняя концентрация |
average concentration : 20 phrases in 11 subjects |
Ecology | 5 |
Makarov | 2 |
Medical | 2 |
Military | 1 |
Natural resourses and wildlife conservation | 1 |
Occupational health & safety | 1 |
Pharmacology | 1 |
Production | 1 |
Tengiz | 3 |
Water resources | 2 |
Weapons of mass destruction | 1 |