 |
|
power spectrum : 44 phrases in 17 subjects |
| Acoustics | 1 |
| Astronomy | 1 |
| Automated equipment | 2 |
| Construction | 1 |
| Electronics | 8 |
| Energy industry | 4 |
| Geophysics | 1 |
| Makarov | 3 |
| Mass media | 2 |
| Mechanics | 1 |
| Medical appliances | 1 |
| Military | 1 |
| Nanotechnology | 1 |
| Physics | 1 |
| Quantum electronics | 1 |
| Technology | 7 |
| Telecommunications | 8 |