|
Information Retrieval System : 117 phrases in 18 subjects |
| Aviation | 16 |
| Business | 1 |
| Communications | 1 |
| Computers | 1 |
| Earth sciences | 16 |
| Economics | 1 |
| Electronics | 38 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Information technology | 5 |
| Librarianship | 2 |
| Multimedia | 1 |
| Name of organization | 1 |
| Nuclear physics | 1 |
| Oil / petroleum | 1 |
| Space | 13 |
| Technology | 11 |
| Telecommunications | 6 |