电 击 : 426 phrases in 29 subjects |
Antennas and waveguides | 4 |
Astronautics | 3 |
Automated equipment | 1 |
Aviation | 3 |
Construction | 1 |
Drilling | 2 |
Electric machinery | 1 |
Electricity | 2 |
Electronics | 134 |
Energy system | 1 |
Forestry | 2 |
General | 98 |
Household appliances | 1 |
Internet | 1 |
Lasers | 1 |
Medical | 9 |
Metallurgy | 1 |
Microelectronics | 2 |
Military | 14 |
Nautical | 4 |
Occupational health & safety | 1 |
Oil processing plants | 4 |
Oilfields | 1 |
Physics | 1 |
Security systems | 1 |
Technology | 130 |
Telecommunications | 1 |
Thermal engineering | 1 |
Welding | 1 |