 |
| caractéristique: 471 phrases in 44 subjects |
| Accumulators | 1 |
| Agriculture | 2 |
| Antennas and waveguides | 3 |
| Automatic control | 1 |
| Chemistry | 5 |
| Coal | 1 |
| Communications | 48 |
| Construction | 3 |
| Earth sciences | 26 |
| Economy | 3 |
| Electric motors | 2 |
| Electrical engineering | 3 |
| Electronics | 156 |
| Environment | 2 |
| Finances | 3 |
| General | 4 |
| Health care | 10 |
| Hobbies and pastimes | 1 |
| Human rights activism | 1 |
| Immigration and citizenship | 4 |
| Industry | 2 |
| Information technology | 27 |
| Law | 1 |
| Life sciences | 13 |
| Lighting other than cinema | 1 |
| Magnetics | 1 |
| Materials science | 3 |
| Mathematics | 19 |
| Mechanic engineering | 23 |
| Medical | 4 |
| Metallurgy | 23 |
| Municipal planning | 1 |
| Natural sciences | 7 |
| Patents | 1 |
| Pharmacy and pharmacology | 5 |
| Power electronics | 6 |
| Power system protection | 3 |
| Radio | 1 |
| Scientific | 2 |
| Statistics | 8 |
| Taxes | 2 |
| Technology | 10 |
| Transport | 28 |
| Work flow | 1 |