 |
| eficiência: 282 phrases in 37 subjects |
| Accumulators | 1 |
| Agriculture | 6 |
| Antennas and waveguides | 5 |
| Automatic control | 1 |
| Chemistry | 5 |
| Coal | 1 |
| Communications | 12 |
| Earth sciences | 14 |
| Economy | 6 |
| Electric motors | 4 |
| Electrochemistry | 3 |
| Electronics | 30 |
| Energy industry | 30 |
| Environment | 16 |
| Finances | 11 |
| Fish farming pisciculture | 1 |
| General | 11 |
| Health care | 6 |
| Industry | 3 |
| Information technology | 4 |
| International Monetary Fund | 14 |
| Life sciences | 6 |
| Lighting other than cinema | 10 |
| Materials science | 1 |
| Mathematics | 16 |
| Mechanic engineering | 1 |
| Medical | 4 |
| Metallurgy | 1 |
| Microsoft | 3 |
| Natural sciences | 6 |
| Nuclear physics | 11 |
| Statistics | 17 |
| Technology | 2 |
| Thermal Energy | 2 |
| Trade unions | 3 |
| Transport | 10 |
| Vacuum tubes | 5 |