 |
| |||
| alcance óptico; distancia óptica | |||
| línea de visión; recorrido óptico | |||
| optical path: 6 phrases in 5 subjects |
| Antennas and waveguides | 1 |
| Electronics | 1 |
| Natural sciences | 2 |
| Physical sciences | 1 |
| Radio | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips