 |
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| уровень интенсивности звука | |||
| sound -energy: 45 phrases in 14 subjects |
| Acoustics | 2 |
| Astronautics | 3 |
| Ecology | 2 |
| Electronics | 7 |
| Energy industry | 6 |
| Geophysics | 3 |
| Law | 1 |
| Makarov | 6 |
| Occupational health & safety | 1 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Psychology | 1 |
| Seismology | 1 |
| Technology | 10 |