方位角: 413 phrases in 23 subjects |
Antennas and waveguides | 3 |
Astronautics | 6 |
Aviation | 16 |
Cartography | 3 |
Drilling | 1 |
Electronics | 6 |
General | 54 |
Geology | 10 |
Helicopters | 2 |
Household appliances | 1 |
Mathematics | 1 |
Military | 58 |
Missiles | 1 |
Nautical | 3 |
Nuclear and fusion power | 1 |
Oil / petroleum | 1 |
Oil and gas | 7 |
Oilfields | 1 |
Radio | 1 |
Radiolocation | 1 |
Seismology | 9 |
Shipbuilding | 5 |
Technology | 222 |