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variety of combinations (ssn); different combinations (ssn) |
различные комбинации: 26 phrases in 10 subjects |
Aviation medicine | 2 |
Construction | 1 |
Economy | 2 |
Hydrobiology | 1 |
Makarov | 2 |
Mass media | 9 |
Mathematics | 2 |
Programming | 5 |
Quality control and standards | 1 |
Transport | 1 |