spherical diffraction
| propagation
| spherical diffraction | |
| el. | diffrazione sferica |
| propagation | |
| agric. | moltiplicazione |
| coal. chem. el. | propagazione |
| comp., MS | propagazione |
| |||
| diffrazione sferica | |||
|
spherical diffraction : 3 phrases in 1 subject |
| Electronics | 3 |