ground-wave
| mode of propagation
| ground wave | |
| commun. | onda de suelo; onda de tierra; onda directa |
| mode of propagation | |
| el. | modo de propagación |
| |||
| onda de suelo; onda de tierra; onda directa | |||
|
ground-wave : 18 phrases in 4 subjects |
| Communications | 10 |
| Electronics | 5 |
| Information technology | 1 |
| Technology | 2 |