女士专用无色无味香水【网站;cuiyao999.com】——【正丨品丨保丨障】——【雄丨厚丨资丨金丨保丨障】——【国丨外丨代丨购】——【口丨碑丨第丨一】——【强丨效丨安丨全】——THR 全称为 Total Hemispherical Reflectance,是一个光学指标,用来衡量表面向所有方向反射光线的总能力。在摄像头外壳设计中,该数值越低,意味着吸收光线的能力越强,产生的眩光越少。
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