| |||
| stagger frequency | |||
| |||
| secondary frequency | |||
|
дополнительные частоты : 9 phrases in 3 subjects |
| Computer networks | 2 |
| Mass media | 5 |
| Technology | 2 |
| |||
| stagger frequency | |||
| |||
| secondary frequency | |||
|
дополнительные частоты : 9 phrases in 3 subjects |
| Computer networks | 2 |
| Mass media | 5 |
| Technology | 2 |