impedantie : 98 phrases in 11 subjects |
Antennas and waveguides | 7 |
Communications | 15 |
Earth sciences | 19 |
Electronics | 40 |
General | 2 |
Information technology | 7 |
Measuring instruments | 1 |
Mechanic engineering | 4 |
Medical | 1 |
Physical sciences | 1 |
Technology | 1 |