 |
| |||
| raie f | |||
| ligne du spectre; raie du spectre | |||
| raie spectrale | |||
| |||
| raies spectrales | |||
| линия спектра: 35 phrases in 11 subjects |
| Analytical chemistry | 2 |
| Astronautics | 6 |
| Astronomy | 2 |
| Chemistry | 7 |
| Electronics | 3 |
| Metallurgy | 2 |
| Optics branch of physics | 1 |
| Physics | 3 |
| Radio | 4 |
| Radiology | 1 |
| Technology | 4 |