 |
| amplificación: 171 phrases in 26 subjects |
| Antennas and waveguides | 3 |
| Automobiles | 1 |
| Chemistry | 2 |
| Communications | 35 |
| Computer numerical control | 3 |
| Deafblindness | 1 |
| Earth sciences | 14 |
| Electronics | 49 |
| Finances | 1 |
| General | 1 |
| Genetics | 1 |
| Health care | 4 |
| Information technology | 10 |
| Life sciences | 8 |
| Measuring instruments | 1 |
| Mechanic engineering | 2 |
| Medical | 4 |
| Natural sciences | 4 |
| Nuclear physics | 3 |
| Patents | 1 |
| Power lines | 1 |
| Radio | 2 |
| Remote sensing | 5 |
| Technology | 11 |
| Transport | 1 |
| United Nations | 3 |