| sound (Auditory sensation produced by the oscillations, stress, pressure, particle displacement, and particle velocity in a medium with internal forces; pressure variation that the human ear can detect) |
heli |
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| sound emission (Diffusion into the environment of a sound emitted from a given source) |
heliemissioon |
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| sound immission (The introduction in the environment of noise deriving from various sources that can be grouped in: transportation activities, industrial activities and daily normal activities) |
heliimmissioon |
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| sound insulation material (Material used to reduce the transmission of sound to or from a body, device, room, etc.) |
heliisoleermaterjal |
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| sound insulation material (Material used to reduce the transmission of sound to or from a body, device, room, etc.) |
helisummutusmaterjal |
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| sound level (The sound pressure level (in decibels) at a point in a sound field, averaged over the audible frequency range and over a time interval) |
helitase |
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| sound measurement (Because of the large variations in sound magnitudes, and because the human hearing sensation seems to vary in a logarithmic way, logarithms are used in measurement of sound. The sound pressure level is given in decibels (dB)) |
heli mõõtmine |
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| sound propagation (The travelling of acoustic waves in the atmosphere with a speed independent of their amplitude. The speed only depends on the acoustic medium and is proportional to the square route of the absolute temperature for any given medium) |
heli levimine |
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| sound transmission (Passage of a sound wave through a medium or series of media) |
heliläbilaskmine |
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| sound transmission (Passage of a sound wave through a medium or series of media) |
heliülekanne |
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| soundproofing (Reducing or eliminating reverberation in a room by placing sound-absorbing materials on the walls and ceiling) |
helisummutus |
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| source |
õhkuheiteallikas |
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| source |
emissiooniallikas |
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| source |
heiteallikas |
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| source of emission |
õhkuheiteallikas |
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| source of emission |
emissiooniallikas |
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| source of emission |
heiteallikas |
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| source of pollution (The place, places or areas from where a pollutant is released into the atmosphere or water, or where noise is generated. A source can be classified as point source, i.e. a large individual generator of pollution, an area source, or a line source, e.g. vehicle emissions and noise) |
saasteallikas |
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| South America (A continent in the southern part of the western hemisphere, astride the equator and the Tropic of Capricorn, bordered by the Caribbean Sea to the north and between the Atlantic and Pacific Oceans, connected to North America by the Isthmus of Panama, and divided into twelve countries: Argentina, Bolivia, Brazil, Chile, Columbia, Ecuador, Guyana, Paraguay, Peru, Suriname, Uruguay and Venezuela) |
Lõuna-Ameerika |
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| South Atlantic Ocean (An ocean south of the equator between the eastern coast of South America and the western coast of Africa that extends southward to the Antarctic continent, including the Drake Passage, South Sandwich Islands and Falkand Islands) |
Atlandi ookeani lõunaosa |
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