 |
| |||
| ★ 问题归约 | |||
|
problem reduction : 7 Phrasen in 5 Thematiken |
| Elektronik | 1 |
| Informationstechnik | 3 |
| Luftfahrt | 1 |
| Technik | 1 |
| Vereinte Nationen | 1 |
|
| |||
| ★ 问题归约 | |||
|
problem reduction : 7 Phrasen in 5 Thematiken |
| Elektronik | 1 |
| Informationstechnik | 3 |
| Luftfahrt | 1 |
| Technik | 1 |
| Vereinte Nationen | 1 |