 |
| |||
| magnetic analysis | |||
| 磁 性分析: 16 phrases in 7 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Electronics | 7 |
| General | 1 |
| Geology | 1 |
| Space | 1 |
| Technology | 2 |
|
| |||
| magnetic analysis | |||
| 磁 性分析: 16 phrases in 7 subjects |
| Air defense | 1 |
| Aviation | 3 |
| Electronics | 7 |
| General | 1 |
| Geology | 1 |
| Space | 1 |
| Technology | 2 |