| English thesaurus | |||
| |||
| DFS | |||
|
Direction Finding : 118 phrases in 12 subjects |
| Aviation | 1 |
| Communications | 13 |
| Electronics | 1 |
| General | 4 |
| Information technology | 2 |
| Life sciences | 1 |
| Mining | 1 |
| Optics branch of physics | 1 |
| Physics | 8 |
| Radio | 1 |
| Technology | 78 |
| Transport | 7 |