 |
| |||
| converging ratios | |||
| pencil; cone of rays | |||
| пучок сходящихся лучей: 10 phrases in 7 subjects |
| Chemistry | 1 |
| General | 1 |
| Mass media | 2 |
| Meteorology | 1 |
| Optics branch of physics | 1 |
| Quantum electronics | 2 |
| Technology | 2 |
|
| |||
| converging ratios | |||
| pencil; cone of rays | |||
| пучок сходящихся лучей: 10 phrases in 7 subjects |
| Chemistry | 1 |
| General | 1 |
| Mass media | 2 |
| Meteorology | 1 |
| Optics branch of physics | 1 |
| Quantum electronics | 2 |
| Technology | 2 |