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̿ λ 1991 7 ȸ ڹ 5 20 30 ̻ Ȱ̴. Ư 5° λ ϸ鼭 ȭ ѹݵ θ Ҵ.
̿ ȸ ɾִµ . ״ 2017 2021 λ ӿ ̾, 2021.9 3° λ þ Ź Ҵ.
Ͽ λ꿡 մϴ١ λ ijġ ̸ ϻ , Ͽ ī̡, Ϸ ũ, ȭ ܼƮ(KNN ) ȹ , ȭ Ȯ꿡 Ͽ.
10.4 ϰ 10ֳ Ưȸ, λȭ 15ȸ, ȭϿŹȸ å ϻ Ͽ, ڹ ֹε鿡 Ͽ ùٸ ð ɾֱ ϸ 븦 ȮϿ Դ.
4 λ걤ȸ (1,2,3,4 λ걤ȸ ǿ ) Ͽ, 2002 λƽþȰ ġ ȸ ָ ֵ(ġȸ , ) ϸ, Ѱ ʷ ̷ ϲ̾, 2005 λ APEC, 2007 ϼ ذ ߽ ν ȭϱ θ 2003 (ȣ) ִ.
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