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ȭ ȭ ¡ ɿ 꼺, ȣ ( 买) 2018 Ӱ ư 걺 û Ͽ ȰϿ () ȭ ̴. ǻ, , ̼ , λ, ȭ پ ȭ縦 ü 翡 ȰϿ ȭ 簡 ȹǾ.
ȭ ߰()- ߷()-丮ڸ ̼, ñ׳θ 1 ()- 4 ()-Ÿ λ 2 ߽()- ȴ ߽ ߽()- Ÿ ȭ()-ϻ, ŴҴ 7 о 14 α Ǿ. Ư ֺ LED ȰϿ ߰ ϴ α(߰), 꼺翡 Ŭ ܼƮ ٴ ܼƮ α() ȹϿ ߰ ִ äο α غ ߿ ִ.
걺 ð 2022 걺 ߰ ⺻ȹ 꼺, ȣ ߰ ġ 9 ֵǴ ȭ Բ ֵ 8 Ϸ ȹ̴.
ڴ ȭ ε ȭ õ پ ȭ ֵ ּ غϰڴ١ .
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