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λô λԾƮ ħ ϰ, ǿ (1) ٰ .
λԾƮ ְ ȣ ǰ Ǽ ȥκ, ȸʳ, ñ ְڿ α ü 80% о硤Ӵϴ ̴.
Ǽ о硤Ӵ ΰûڰ ϸ, ô ΰûڿ Ǽ ȭ, μƼ긦 Ѵ.
3 λ λ û ȥκΰ ְ ϰڴٴ ǥ Ʒ , ǥ ְ å ϳ.
̹ ħ λԾƮ ȹ ϰ, ̸ ΰûڿ ߱ϱ õƴ.
Ư, ħ ϰ ְſ Բ ֵ 뼼Ź, ǽ, ƮϽ Ŀ´Ƽü ġ ǹȭ λ ٽ å 15 ϼ ư ȴ.
, ΰû ִ ̲ ȭ, μƼ긦 ִٴ ͼ Ȯ Ǽ 30% ϸ λ굵ð翡 Ӵ Ȱ ִٴ ħ ߴ.
λ λ û ְ ϰڴٴ ǥ Ʒ, ְźå ְ ϰڴ١, ư û Ű ư λ, ٽ ¾ λ꿡 ¾ ູ λ ϰڴ١ ߴ.
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