|
encryption : 270 phrases in 20 subjects |
| Agriculture | 2 |
| Air defense | 3 |
| Aviation | 5 |
| China | 1 |
| Communications | 1 |
| Computer networks | 13 |
| Cryptography | 105 |
| Electronic commerce | 7 |
| Electronics | 15 |
| Exhibitions | 1 |
| Information technology | 39 |
| Librarianship | 5 |
| Multimedia | 6 |
| Oil / petroleum | 1 |
| Project management | 11 |
| Public security | 2 |
| Space | 28 |
| Technology | 12 |
| Telecommunications | 12 |
| Textile industry | 1 |