兑水 发表于 2009-11-4 22:00:18

ASTM E 1175-1987 用大直经积分球测定材料的太阳能或光反射...

E1175-87(2003) Standard Test Method for Determining Solar or Photopic Reflectance, Transmittance, and Absorptance of Materials Using a Large Diameter Integrating Sphere
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