| |||
| 振动弦 (线) | |||
|
vibrating string : 18 Phrasen in 7 Thematiken |
| Elektronik | 1 |
| Erdöl | 1 |
| Ingenieurgeologie | 3 |
| Luftfahrt | 2 |
| Mathematik | 1 |
| Technik | 9 |
| Weltraum | 1 |
| |||
| 振动弦 (线) | |||
|
vibrating string : 18 Phrasen in 7 Thematiken |
| Elektronik | 1 |
| Erdöl | 1 |
| Ingenieurgeologie | 3 |
| Luftfahrt | 2 |
| Mathematik | 1 |
| Technik | 9 |
| Weltraum | 1 |