Standard practice for calculating solar reflectance index of horizontal and low - sloped opaque surfaces 计算水平和低斜不透明表面阳光反射指数的标准实施规程
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Standard test method for determination of solar reflectance near ambient temperature using a portable solar reflectometer 使用便携式太阳反射计测定接近室内温度太阳反射比的标准试验方法