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série : 491 phrases in 56 subjects |
| Accumulators | 3 |
| Agriculture | 4 |
| Antennas and waveguides | 3 |
| Automatic control | 1 |
| Brazil | 9 |
| Chemistry | 8 |
| Coal | 4 |
| Communications | 26 |
| Construction | 1 |
| Earth sciences | 8 |
| Economy | 4 |
| Electric machinery | 1 |
| Electric motors | 4 |
| Electric traction | 4 |
| Electricity generation | 1 |
| Electronics | 81 |
| Environment | 4 |
| Finances | 24 |
| Forestry | 3 |
| General | 8 |
| Government, administration and public services | 1 |
| Health care | 3 |
| Industry | 4 |
| Information technology | 70 |
| Insurance | 1 |
| Labor law | 4 |
| Labor organization | 2 |
| Law | 2 |
| Librarianship | 1 |
| Life sciences | 3 |
| Lighting other than cinema | 2 |
| Marketing | 1 |
| Materials science | 6 |
| Mathematics | 14 |
| Mechanic engineering | 11 |
| Medical | 9 |
| Metallurgy | 9 |
| Microsoft | 4 |
| Municipal planning | 1 |
| Natural sciences | 6 |
| Patents | 2 |
| Pharmacy and pharmacology | 1 |
| Physical sciences | 2 |
| Piezoelectric crystals | 1 |
| Power lines | 2 |
| Power system protection | 2 |
| Radio | 3 |
| Radiology | 2 |
| Scientific | 4 |
| Statistics | 68 |
| Technology | 7 |
| Telegraphy | 4 |
| Transformers | 1 |
| Transport | 26 |
| Wind Energy | 2 |
| Work flow | 9 |
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