 |
| |||
| cell frequency; class frequency | |||
| group frequency (в X-спектре) | |||
| baseband frequency; group frequency; train frequency; wave-train frequency | |||
| групповая частота: 21 phrases in 7 subjects |
| Astronautics | 1 |
| Communications | 1 |
| Electronics | 3 |
| Mass media | 8 |
| Mathematics | 2 |
| Radio | 1 |
| Technology | 5 |