 |
| |||
| concentration à la surface du sol | |||
| |||
| concentration observée au sol; nuisance f | |||
| concentration au niveau du sol; nuisance f (of pollutants); immission f (of pollutants) | |||
|
ground-level concentration : 5 a las frases, 3 temas |
| Ambiente | 2 |
| Física nuclear | 2 |
| General | 1 |