 |
| |||
| Eichgenerator m; Frequenznorm f | |||
| Frequenzstandard m | |||
| Frequenznormal n | |||
| Frequenznormale n | |||
|
frequency standard : 39 phrases in 8 subjects |
| Communications | 5 |
| Cultural studies | 1 |
| Electronics | 4 |
| General | 2 |
| Measuring instruments | 1 |
| Physics | 3 |
| Radio | 1 |
| Technology | 22 |