| |||
| reference noise power; reference sound power | |||
|
reference lydstyrke : 3 phrases in 2 subjects |
| Earth sciences | 2 |
| Technology | 1 |
| |||
| reference noise power; reference sound power | |||
|
reference lydstyrke : 3 phrases in 2 subjects |
| Earth sciences | 2 |
| Technology | 1 |