如图所示obcd为半圆柱体玻璃的横截面od为直径一束由红光和紫光组成的复色光沿ao方�从真空斜射入玻璃bc点为两单色光的射出点设 Template




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tomski如图所示obcd为半圆柱体玻璃的横截面od为直径一束由红光和紫光组成的复色光沿ao方�从真空斜射入玻璃bc点为两单色光的射出点设 coloring