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Equivalent sound pressure level (AIR_1968); equivalent noise level (snowleopard) |
эквивалентный уровень шума : 10 phrases in 7 subjects |
Astronautics | 1 |
Aviation | 1 |
Ecology | 2 |
Energy industry | 1 |
Military | 1 |
Occupational health & safety | 1 |
Technology | 3 |