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fei666:Ans: IO\1nB$0nb 1.灯珠面积选更小的[表情] J||g(+H> 2.灯珠找更小发光角度的[表情] Dmh$@Uu#F 3.材料找更高折射率的[表情] E'WXi!>7p 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) m^ xTV-#l@
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