| |||
hum level | |||
background level (шума) | |||
background level | |||
background; background radiation intensity | |||
background level (шумов); background noise level (шумов); background response (детектора излучения) | |||
| |||
background level; background-noise level | |||
background noise level |
уровень фона: 31 phrases in 17 subjects |