noise suppression: 48 phrases in 15 subjects |
Astronautics | 2 |
Automobiles | 1 |
Aviation | 4 |
Computer networks | 2 |
Electronics | 4 |
General | 1 |
Geophysics | 6 |
Medical appliances | 1 |
Military | 6 |
Oil / petroleum | 1 |
Oilfields | 1 |
Quantum electronics | 2 |
Technology | 14 |
Telecommunications | 2 |
Transport | 1 |