satellite navigation system: 51 phrases in 13 subjects |
Astronautics | 8 |
Aviation | 8 |
Computers | 1 |
Electronics | 3 |
Fish farming pisciculture | 3 |
Foreign affairs | 1 |
General | 1 |
High frequency electronics | 2 |
Military | 14 |
Nautical | 2 |
Navigation | 3 |
Technology | 4 |
Telecommunications | 1 |