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| Frequenz der Ansprechschwelle | |||
| untere Grenzfrequenz | |||
| Grenzfrequenz f (e.g. of the waveguide) | |||
| Grenzfrequenz des Photoeffekts (of the photoelectric effect) | |||
| Schwellenfrequenz f | |||
| Grenzfrequenz f | |||
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threshold frequency : 2 phrases in 2 subjects |
| Nuclear physics | 1 |
| Radio | 1 |