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| модель среды | |||
| model earth: 19 phrases in 10 subjects |
| Drilling | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Geography | 1 |
| Geology | 3 |
| Geophysics | 4 |
| Military | 1 |
| Mining | 2 |
| Oil and gas | 1 |
| Technology | 4 |
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