|
word frequency : 9 phrases in 5 subjects |
| Cryptography | 1 |
| Information technology | 1 |
| Linguistics | 5 |
| Makarov | 1 |
| Security systems | 1 |
|
word frequency : 9 phrases in 5 subjects |
| Cryptography | 1 |
| Information technology | 1 |
| Linguistics | 5 |
| Makarov | 1 |
| Security systems | 1 |