 |
| eficiência: 248 phrases in 35 subjects |
| Accumulators | 2 |
| Agriculture | 5 |
| Antennas and waveguides | 7 |
| Automatic control | 1 |
| Chemistry | 4 |
| Coal | 1 |
| Communications | 9 |
| Earth sciences | 14 |
| Economy | 6 |
| Electric motors | 4 |
| Electrochemistry | 2 |
| Electronics | 27 |
| Energy industry | 25 |
| Environment | 11 |
| Finances | 10 |
| Fish farming pisciculture | 1 |
| General | 13 |
| Health care | 6 |
| Industry | 2 |
| Information technology | 2 |
| International Monetary Fund | 12 |
| Life sciences | 5 |
| Lighting other than cinema | 8 |
| Materials science | 1 |
| Mathematics | 14 |
| Mechanic engineering | 2 |
| Medical | 2 |
| Microsoft | 3 |
| Natural sciences | 5 |
| Nuclear physics | 9 |
| Statistics | 15 |
| Thermal Energy | 3 |
| Trade unions | 1 |
| Transport | 9 |
| Vacuum tubes | 7 |