 |
| |||
| index of lens; index of a lens | |||
| показатель преломления линзы: 9 phrases in 4 subjects |
| Electronics | 2 |
| Mass media | 2 |
| Optics branch of physics | 2 |
| Technology | 3 |
|
| |||
| index of lens; index of a lens | |||
| показатель преломления линзы: 9 phrases in 4 subjects |
| Electronics | 2 |
| Mass media | 2 |
| Optics branch of physics | 2 |
| Technology | 3 |