fontes de energia : 59 phrases in 19 subjects |
Agriculture | 1 |
Communications | 2 |
Earth sciences | 2 |
Economy | 1 |
Electronics | 8 |
Energy industry | 13 |
Environment | 15 |
Finances | 1 |
General | 1 |
Information technology | 1 |
International Monetary Fund | 1 |
Mechanic engineering | 1 |
Natural sciences | 1 |
Nuclear physics | 1 |
Patents | 1 |
Physical sciences | 1 |
Power system protection | 1 |
Statistics | 1 |
Transport | 6 |