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fei666:Ans: 4yy9m8/ 1.燈珠面積選更小的[表情] &c[.&L,w4 2.燈珠找更小發(fā)光角度的[表情] h=:Ls]ZU 3.材料找更高折射率的[表情] *?Hc8y-dG, 4.燈珠離TIR再近一些[表情] (2023-01-03 22:49) H!N`hEEj>
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