 |
| |||
| Schallreflexion f; Reflexion f | |||
|
sound reflection : 14 phrases in 9 subjects |
| Earth sciences | 2 |
| Electronics | 1 |
| Health care | 2 |
| Industry | 2 |
| Measuring instruments | 1 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 1 |
| Physics | 2 |
| Technology | 2 |