jeongbansa
regular reflection
réflexion régulière ; réflexion normale
거울에서의 정반사는 빛이 정확하게 반사되는 현상입니다.
geoureseoui jeongbansaneun bich-i jeonghwakage bansadoeneun hyeonsang-imnida.
The regular reflection in a mirror is the phenomenon where light is reflected accurately.
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