transmissivity : 21 phrases in 12 subjects |
Acoustics | 4 |
Antennas and waveguides | 1 |
General | 1 |
Makarov | 6 |
Meteorology | 1 |
Natural resourses and wildlife conservation | 1 |
Oil and gas | 1 |
Physics | 2 |
Silicate industry | 1 |
Technology | 1 |
Telecommunications | 1 |
Water resources | 1 |