 |
| |||
| 轨道检测 | |||
|
track detection : 9 phrases in 6 subjects |
| Air defense | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Rail transport | 3 |
| Space | 2 |
| Technology | 1 |
|
| |||
| 轨道检测 | |||
|
track detection : 9 phrases in 6 subjects |
| Air defense | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Rail transport | 3 |
| Space | 2 |
| Technology | 1 |