sound reflection
| coefficient
| sound reflection | |
| earth.sc. | reflexão acústica |
| coefficient | |
| math. | coeficiente |
| |||
| reflexão acústica | |||
| reflexão sonora | |||
|
sound reflection : 9 phrases in 5 subjects |
| Earth sciences | 2 |
| Electronics | 3 |
| Health care | 1 |
| Industry | 2 |
| Natural sciences | 1 |