| |||
| optisches Spektrum; sichtbares Spektrum | |||
| Lichtspektrum n | |||
|
visible spectrum : 9 phrases in 3 subjects |
| Communications | 1 |
| Electronics | 1 |
| Optics branch of physics | 7 |
| |||
| optisches Spektrum; sichtbares Spektrum | |||
| Lichtspektrum n | |||
|
visible spectrum : 9 phrases in 3 subjects |
| Communications | 1 |
| Electronics | 1 |
| Optics branch of physics | 7 |