判断正误1光射到光�表面上会�生反射射到凹凸不平的表面上不会�生反射××2当光线垂直射到镜面上时入射角是90°××3只有镜面 Template




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tomski判断正误1光射到光�表面上会�生反射射到凹凸不平的表面上不会�生反射××2当光线垂直射到镜面上时入射角是90°××3只有镜面 coloring