 |
| propagação: 337 phrases in 26 subjects |
| Agriculture | 14 |
| Antennas and waveguides | 8 |
| Chemistry | 3 |
| Coal | 1 |
| Communications | 41 |
| Earth sciences | 22 |
| Electronics | 138 |
| Environment | 4 |
| General | 9 |
| Health care | 8 |
| Industry | 2 |
| Information technology | 14 |
| International Monetary Fund | 1 |
| Life sciences | 19 |
| Materials science | 1 |
| Mechanic engineering | 1 |
| Medical | 5 |
| Microsoft | 7 |
| Natural resourses and wildlife conservation | 6 |
| Natural sciences | 2 |
| Patents | 1 |
| Physical sciences | 4 |
| Piezoelectric crystals | 3 |
| Radio | 19 |
| Scientific | 2 |
| Superconductivity | 2 |