为什么光线从球形玻璃射入时法线过圆心,从半球形玻璃边缘射入时法线垂直直径而不是过圆心 知乎 Template




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tomski为什么光线从球形玻璃射入时法线过圆心,从半球形玻璃边缘射入时法线垂直直径而不是过圆心 知乎 coloring