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dispersión : 300 phrase in 39 subjects |
| Acridology | 1 |
| Agriculture | 4 |
| Antennas and waveguides | 15 |
| Chemistry | 30 |
| Climatology | 1 |
| Communications | 13 |
| Construction | 3 |
| Earth sciences | 16 |
| Economy | 2 |
| Electrochemistry | 1 |
| Electronics | 54 |
| Environment | 6 |
| Finances | 2 |
| Forestry | 2 |
| General | 16 |
| Health care | 2 |
| Industry | 3 |
| Information technology | 6 |
| International Monetary Fund | 1 |
| Life sciences | 8 |
| Materials science | 1 |
| Mathematics | 20 |
| Measuring instruments | 5 |
| Mechanic engineering | 2 |
| Medical | 15 |
| Metallurgy | 9 |
| Mineralogy | 2 |
| Natural sciences | 1 |
| Patents | 1 |
| Pest control | 1 |
| Pharmacy and pharmacology | 4 |
| Radio | 1 |
| Resins | 1 |
| Security systems | 2 |
| Statistics | 32 |
| Technology | 5 |
| Textile industry | 5 |
| Transport | 4 |
| United Nations | 3 |
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