| |||
| symmetrisches System | |||
|
symmetrical system : 8 phrases in 5 subjects |
| Astronomy | 1 |
| Automated equipment | 1 |
| Electronics | 1 |
| Optics branch of physics | 2 |
| Technology | 3 |
| |||
| symmetrisches System | |||
|
symmetrical system : 8 phrases in 5 subjects |
| Astronomy | 1 |
| Automated equipment | 1 |
| Electronics | 1 |
| Optics branch of physics | 2 |
| Technology | 3 |