 |
| |||
| core index of refraction (оптич. волокна) | |||
| core index of refraction (волоконно-оптического световода) | |||
| core index | |||
| core index of refraction (оптического волокна) | |||
| показатель преломления сердцевины: 16 phrases in 5 subjects |
| Cables and cable production | 8 |
| Mass media | 1 |
| Optics branch of physics | 1 |
| Quantum electronics | 5 |
| Silicate industry | 1 |