30 A ܿ ͼ ̴. ٷ Ƽ ֱ ̴. Ű ָ ־ Դ´. 20 Ĺݺ ÷Ϻ ָ, ̰ ?
̴ б â (ܰ ) ̴ Į ָ Ǻ ̰ ݺ , ڿܼ, Ǻ Ǻ Ʒ ߷¡̶ ϸ ߿ Ǻδ Ǻΰ ð ݺ Ǻ ȭ Ǹ鼭 ָ ϴ ̴١ ߴ.
ָ ð ̶ . ̹ ָ ֱ , ٽ ϴ ִ. Ǻο ڿܼ IJ ؾ Ѵ. ũ ٸ ʾƵ . ũ ٸ ٸ ϰ Ʒ ֵ . Ųɾ ڿܼ ߶.
ֱ Ʈ ð þ ߱뿡 ǫ ̰ Ʈ ȭ ð . ̰ ݺ Ǻθ ϴ ̸ ̵ غ Ѵ. ʹ ڴ ؼ ֱ ٷ 6~8, 2 ǰ .
ֱ LED ũ ָ ȿ ϴ ǰ Ẽ?ϴ 쵵 ִ. . ǰǾǰó 2019 7~8 LED Ʈ ¶ Ʈ 7,906 ָ Ƿ ִ 943 ߴ.
Ư (ָ) κб Ǵ, ָ Ƿ ٴ ǰ ش 㰡 Ҵ Ȯϰ ǰ LED ũ Ǻι̿ ̱ Ÿ ٰų ѵ ڷ ־ Ȥ ʵ ϴ .
ó: ǰ ñ , ̴
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