ground-wave
| propagation curves
| ground wave | |
| commun. | direkte bølge; jordbølge |
| propagation curve | |
| el. | udbredelseskurve |
| |||
| direkte bølge; jordbølge | |||
|
ground-wave : 16 phrases in 3 subjects |
| Communications | 10 |
| Electronics | 5 |
| Information technology | 1 |