| English thesaurus | |||
| |||
| BAC | |||
|
Base Area : 33 phrases in 12 subjects |
| Air defense | 1 |
| Architecture | 1 |
| Aviation | 6 |
| Bridge construction | 6 |
| Chess | 1 |
| Communications | 1 |
| Electronics | 1 |
| General | 1 |
| Oil / petroleum | 1 |
| Space | 5 |
| Technology | 7 |
| Telecommunications | 2 |
| English thesaurus | |||
| |||
| BAC | |||
|
Base Area : 33 phrases in 12 subjects |
| Air defense | 1 |
| Architecture | 1 |
| Aviation | 6 |
| Bridge construction | 6 |
| Chess | 1 |
| Communications | 1 |
| Electronics | 1 |
| General | 1 |
| Oil / petroleum | 1 |
| Space | 5 |
| Technology | 7 |
| Telecommunications | 2 |