absolute threshold
| of
| audibility
| absolute threshold | |
| agric. tech. | umbral absoluto |
| of | |
| gen. | ante |
| audibility | |
| tech. | audibilidad |
| |||
| umbral absoluto | |||
|
absolute threshold : 4 phrases in 3 subjects |
| Agriculture | 2 |
| Earth sciences | 1 |
| Health care | 1 |