| |||
| Gegensystem n | |||
|
negative system : 12 phrases in 6 subjects |
| Astronomy | 1 |
| Electronics | 1 |
| Finances | 1 |
| Mechanic engineering | 2 |
| Optics branch of physics | 6 |
| Technology | 1 |
| |||
| Gegensystem n | |||
|
negative system : 12 phrases in 6 subjects |
| Astronomy | 1 |
| Electronics | 1 |
| Finances | 1 |
| Mechanic engineering | 2 |
| Optics branch of physics | 6 |
| Technology | 1 |