 |
| |||
| frequency extension; frequency-band extension; bandwidth expansion; frequency-band widening | |||
| расширение диапазона частот: 2 phrases in 2 subjects |
| Mass media | 1 |
| Telecommunications | 1 |
|
| |||
| frequency extension; frequency-band extension; bandwidth expansion; frequency-band widening | |||
| расширение диапазона частот: 2 phrases in 2 subjects |
| Mass media | 1 |
| Telecommunications | 1 |