محوّ : 173 phrases in 22 subjects |
Antennas and waveguides | 6 |
Automatic control | 2 |
Economy | 3 |
Electric traction | 10 |
Electricity generation | 5 |
Electronics | 42 |
Environment | 1 |
Food industry | 1 |
International Monetary Fund | 3 |
Mathematics | 3 |
Microsoft | 17 |
Power electronics | 1 |
Pulp and paper industry | 1 |
Radio | 16 |
Remote sensing | 1 |
Sound recording | 1 |
Sugar production | 4 |
Telegraphy | 2 |
Thermal Energy | 4 |
Transformers | 46 |
United Nations | 3 |
Vacuum tubes | 1 |