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open system: 59 phrases in 15 subjects |
Agriculture | 1 |
Communications | 20 |
Construction | 1 |
Earth sciences | 2 |
Economy | 3 |
Education | 1 |
Electronics | 1 |
Finances | 1 |
General | 3 |
Industry | 1 |
Information technology | 20 |
Marketing | 2 |
Measuring instruments | 1 |
Mechanic engineering | 1 |
Microsoft | 1 |