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частота в системе : 99 phrases in 12 subjects |
| Building structures | 1 |
| Communications | 1 |
| Electronics | 2 |
| Energy industry | 3 |
| Energy system | 3 |
| Hi-Fi | 1 |
| Household appliances | 1 |
| Management | 2 |
| Mass media | 74 |
| Military | 5 |
| Technology | 5 |
| Television | 1 |
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