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ȯ Ҽ ߾ȯȸ( , ȸ) ֱ dz¹ û ǿ ظ 1 3,800 ϵ ߴٰ .
ۡ۸鿡 (ۡ۸ ⸶) ϴ ûε(աۡ 78 ۡ 85) α dz¹ ϴ ظ Ծٸ, dz¹ ü 2 4,450 䱸 ̴.
ûε κ 30~40Ⱓ ־, dz¹Ⱑ ̾.
, 2017 dz¹ Ǽ( 35) ۵ǰ 2018 9 ÿ ϸ鼭 ûε ο ߴ. 2019 1 ۵Ǿ dz¹Ⱑ Ǹ鼭 ûε ο ߴ.
ûε ǽû dz¹ ۵ 2019 1 2020 dz¹ ظ Ծٰ ߴ.
ûε 忡 ǽû dz¹ Ǽ ʱ ֹδǥ鿡 ߱ å ٰ ¼.
̿ ȸ 뿪 ûε 12 10Ϻ 7 dz¹ ߴ.
, ļ 80 Hz ۡ۸ ִ 85 dB(Z), ⸶ ִ 87 dB(Z) Ÿ, ѵ 45 dB(Z) ʰߴ.
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ܿ, ļ 12.5~ 63 Hz ļ ѵ ʰϴ Ÿ.
̷ , ȸ dz¹ ûε鿡 ظ ־ Ǵߴ.
ƿ ǽû ȯ ȯ濵 ǰ(2016 6) õ 'ְ 1.5km ̻ ִ ̰Ͽ dz¹⸦ ġؾ Ѵ' ǰ ʰ Ϻ dz¹⸦ ûε Ÿ( 300~500m) Ǽ Ͽ 5 19 ع ȴ.
ٸ, ǽû dz¹ Ǽ ñ ֹε鿡 Ͽ 40~ 50 % ߴ.
"dz¹ û ϳ Ȯؾ , ߿ Ͽ ֺ ֹε鿡 ظ Ƿ ֺ ΰ ̰ݰŸ ȮϿ ظ ּȭ ʿ伺 ִ" ߴ.
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