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| characteristic frequency (in spectroscopy) | |||
| characteristic frequency (появления какой-либо буквы алфавита в тексте) | |||
| characteristic frequency | |||
| характеристическая частота: 5 phrases in 5 subjects |
| Drilling | 1 |
| Mass media | 1 |
| Medical | 1 |
| Oil / petroleum | 1 |
| Quantum electronics | 1 |