 |
| |||
| verifier | |||
|
验证器 : 23 phrases in 12 subjects |
| Air defense | 1 |
| Aviation | 4 |
| Computer networks | 1 |
| Cryptography | 1 |
| Economy | 1 |
| Electronics | 1 |
| Logistics | 1 |
| Metallurgy | 1 |
| Project management | 2 |
| Space | 7 |
| Telecommunications | 2 |
| United States | 1 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips