frequency standard
of reference
| frequency standard | |
| el. | taajuusstandardi |
| |||
| taajuusstandardi | |||
|
frequency standard : 32 phrases in 6 subjects |
| Communications | 3 |
| Cultural studies | 1 |
| Electronics | 10 |
| Information technology | 2 |
| Radio | 2 |
| Technology | 14 |