 |
| |||
| marche des rayons | |||
| trajectoire du rayon | |||
| trajet des rayons | |||
| marche de rayons | |||
| |||
| marche du rayon | |||
| trajectoire du rayon; trajet optique | |||
| ход лучей: 17 phrases in 8 subjects |
| Astronautics | 2 |
| Aviation | 1 |
| Electronics | 1 |
| Information technology | 1 |
| Metallurgy | 1 |
| Physics | 2 |
| Radio | 7 |
| Technology | 2 |