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| защита системы: 35 phrases in 15 subjects |
| Aviation | 10 |
| Biotechnology | 1 |
| Economy | 1 |
| Electrical engineering | 1 |
| Electronics | 1 |
| Firefighting and fire-control systems | 1 |
| International Monetary Fund | 7 |
| Microsoft | 2 |
| Military aviation | 1 |
| Panama | 1 |
| Patents | 2 |
| Sociology | 1 |
| Technology | 3 |
| United Nations | 2 |
| Welfare & Social Security | 1 |
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