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| optimal zone (dimock) | |||
| оптимальная зона: 10 phrases in 8 subjects |
| Acoustics | 1 |
| Aviation medicine | 3 |
| Economy | 1 |
| Electronics | 1 |
| Finances | 1 |
| International Monetary Fund | 1 |
| Politics | 1 |
| Telecommunications | 1 |
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