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| Flimmerfrequenz f (изображения) | |||
| Helldunkelfrequenz f | |||
| Flimmerfrequenz f | |||
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| Flimmerfrequenz f | |||
| частота мельканий: 19 phrases in 10 subjects |
| Aviation | 1 |
| Biology | 1 |
| Cinema equipment | 2 |
| Medical | 3 |
| Medical appliances | 1 |
| Optics branch of physics | 1 |
| Projectors | 3 |
| Psychology | 3 |
| Radio | 3 |
| Television | 1 |