| |||
| 距离跟踪系统; 测距系统 | |||
|
range tracking system : 15 phrases in 7 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Electronics | 4 |
| Fishery fishing industry | 1 |
| Nautical | 1 |
| Space | 4 |
| Technology | 3 |
| |||
| 距离跟踪系统; 测距系统 | |||
|
range tracking system : 15 phrases in 7 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Electronics | 4 |
| Fishery fishing industry | 1 |
| Nautical | 1 |
| Space | 4 |
| Technology | 3 |