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changing environment (ssn) |
изменяющая среда: 11 phrases in 8 subjects |
Advertising | 1 |
Antennas and waveguides | 1 |
Automated equipment | 1 |
Biology | 2 |
Electronics | 2 |
Mass media | 2 |
Natural resourses and wildlife conservation | 1 |
Quality control and standards | 1 |