 |
| |||
| 侦查 | |||
|
to detect : 15 phrases in 7 subjects |
| Air defense | 1 |
| Business | 1 |
| Metallurgy | 2 |
| Public security | 5 |
| Scientific | 3 |
| Technology | 2 |
| United Nations | 1 |
|
| |||
| 侦查 | |||
|
to detect : 15 phrases in 7 subjects |
| Air defense | 1 |
| Business | 1 |
| Metallurgy | 2 |
| Public security | 5 |
| Scientific | 3 |
| Technology | 2 |
| United Nations | 1 |