 |
| optical lens: 22 phrases in 12 subjects |
| Antennas and waveguides | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Mathematics | 1 |
| Medical appliances | 1 |
| Metallurgy | 1 |
| Military | 5 |
| Nanotechnology | 3 |
| Physics | 2 |
| Security systems | 1 |
| Technology | 4 |
| Telecommunications | 1 |
|
| optical lens: 22 phrases in 12 subjects |
| Antennas and waveguides | 1 |
| Makarov | 1 |
| Mass media | 1 |
| Mathematics | 1 |
| Medical appliances | 1 |
| Metallurgy | 1 |
| Military | 5 |
| Nanotechnology | 3 |
| Physics | 2 |
| Security systems | 1 |
| Technology | 4 |
| Telecommunications | 1 |