| |||
echo-box | |||
resonant tank | |||
rumbatron (rhumbatron) | |||
cavity resonator; rhumbatron; cavity | |||
resonant cavity | |||
| |||
rhumbatron |
空 腔 谐振器: 40 phrases in 10 subjects |
Air defense | 2 |
Antennas and waveguides | 1 |
Aviation | 1 |
Electronics | 3 |
General | 1 |
Nanotechnology | 1 |
Space | 2 |
Technology | 27 |
Telecommunications | 1 |
Thermal Energy | 1 |