radio propagation
| medium
| radio propagation | |
| earth.sc. el. | propagation radioélectrique |
| Medium | |
| comp., MS | Moyenne |
| medium | |
| chem. | agent |
| comp. | médian |
| ed. | support |
| nat.res. | couche nourricière; milieu nutritif; substance nutritive |
| |||
| propagation radioélectrique | |||
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radio propagation : 9 phrases in 5 subjects |
| Astronomy | 2 |
| Communications | 1 |
| Electronics | 2 |
| General | 3 |
| Technology | 1 |