eficiência : 224 phrases in 34 subjects |
Accumulators | 1 |
Agriculture | 3 |
Antennas and waveguides | 5 |
Automatic control | 1 |
Brazil | 3 |
Chemistry | 6 |
Communications | 10 |
Earth sciences | 11 |
Economy | 5 |
Electric motors | 4 |
Electrochemistry | 4 |
Electronics | 21 |
Energy industry | 28 |
Environment | 8 |
Finances | 10 |
Fish farming pisciculture | 2 |
General | 10 |
Health care | 6 |
Industry | 3 |
Information technology | 2 |
Life sciences | 1 |
Lighting other than cinema | 9 |
Materials science | 1 |
Mathematics | 10 |
Mechanic engineering | 1 |
Medical | 3 |
Microsoft | 1 |
Natural sciences | 4 |
Nuclear physics | 11 |
Statistics | 24 |
Thermal Energy | 2 |
Trade unions | 1 |
Transport | 7 |
Vacuum tubes | 6 |