| |||
| optical viewing system | |||
|
sistema de visualizacion : 17 phrases in 8 subjects |
| Communications | 3 |
| General | 1 |
| Information technology | 3 |
| Meteorology | 2 |
| Nuclear physics | 1 |
| Rail transport | 1 |
| Technology | 1 |
| Transport | 5 |
| |||
| optical viewing system | |||
|
sistema de visualizacion : 17 phrases in 8 subjects |
| Communications | 3 |
| General | 1 |
| Information technology | 3 |
| Meteorology | 2 |
| Nuclear physics | 1 |
| Rail transport | 1 |
| Technology | 1 |
| Transport | 5 |