ϵ 11 ñ 199 θ ߰ ġ ġ ƴٰ .
ϵ 2020 128, 2021 107, 2022 206ҿ ̾ ߰ θ ߰ ġ ġʿ ε鿡 ϰ ߰ ȯ ġ ã ְ ƴ.
θ ߰ ġ θ ߰ μ ϴٴ , ¾籤 гΰ LED ߰ Ǿ μ Ȯ ε ִ.
θ ʰ ϴ ̾ ġ ϰ, ģȯ濡 Ȱ ð뿡 ¾翡 ߰ ϹǷ پ.
ϵ θ ߰ ġ ġ ε Ȱǿ ū ǰ, θּ ȫ ȴ١鼭 θּ Ȱȭ ȯ ġ Ȯ ֵ ϰڴ١ ߴ.
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