 |
| |||
| calibration source; comparison source; reference source | |||
| standard source | |||
| эталонный источник: 26 phrases in 12 subjects |
| Electronics | 1 |
| Energy industry | 3 |
| Geophysics | 1 |
| Mass media | 3 |
| Metrology | 3 |
| Military | 1 |
| Programming | 2 |
| Radiolocation | 1 |
| Technology | 6 |
| Telecommunications | 3 |
| Дозиметрия | 1 |
| Радиоактивное излучение | 1 |