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| изменения в окружающей среде | |||
| 环变: 90 phrases in 19 subjects |
| Chemistry | 1 |
| Computers | 3 |
| Construction | 1 |
| Ecology | 1 |
| Economy | 2 |
| Electronics | 9 |
| Environment | 1 |
| Fishery fishing industry | 1 |
| General | 25 |
| Geology | 1 |
| Helicopters | 2 |
| Law | 2 |
| Mathematics | 4 |
| Medical | 4 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Sports | 1 |
| Technology | 21 |
| United Nations | 8 |
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