| |||
| 背面反射; 背射 | |||
| 背反射 | |||
| 后反射; 背射法 | |||
| |||
| 背反射; 回射 | |||
|
back reflection : 23 Phrasen in 7 Thematiken |
| Chemie | 1 |
| Elektronik | 2 |
| Erdöl | 2 |
| Luftabwehr | 1 |
| Metallurgie | 12 |
| Technik | 3 |
| Weltraum | 2 |
| |||
| 背面反射; 背射 | |||
| 背反射 | |||
| 后反射; 背射法 | |||
| |||
| 背反射; 回射 | |||
|
back reflection : 23 Phrasen in 7 Thematiken |
| Chemie | 1 |
| Elektronik | 2 |
| Erdöl | 2 |
| Luftabwehr | 1 |
| Metallurgie | 12 |
| Technik | 3 |
| Weltraum | 2 |