如图横截面为半圆形的柱型玻璃砖折射率为n=$sqrt{2}$半圆的半径为r底面ad涂有反射膜一束平行光沿与底面成45°角方�射� Template




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tomski如图横截面为半圆形的柱型玻璃砖折射率为n=$sqrt{2}$半圆的半径为r底面ad涂有反射膜一束平行光沿与底面成45°角方�射� coloring