| |||
| 安全监视 | |||
|
security monitoring : 15 phrases in 11 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Computer networks | 1 |
| Cryosphere | 1 |
| Cryptography | 4 |
| Electronics | 1 |
| Information technology | 2 |
| Rail transport | 1 |
| Sociology | 1 |
| Space | 1 |
| United Nations | 1 |
| |||
| 安全监视 | |||
|
security monitoring : 15 phrases in 11 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Computer networks | 1 |
| Cryosphere | 1 |
| Cryptography | 4 |
| Electronics | 1 |
| Information technology | 2 |
| Rail transport | 1 |
| Sociology | 1 |
| Space | 1 |
| United Nations | 1 |