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| environmental variation | |||
| environmental change | |||
| изменение окружающих условий: 21 phrases in 13 subjects |
| Advertising | 1 |
| Astronautics | 3 |
| Automated equipment | 1 |
| Ecology | 3 |
| Energy industry | 1 |
| General | 1 |
| Geology | 1 |
| Mass media | 3 |
| Metrology | 1 |
| Military | 1 |
| Navigation | 2 |
| Quality control and standards | 2 |
| Technology | 1 |