可见光反射率 Visible Light Reflected

The ratio of visible light that is reflected away from the surface of the window to that which is incident   on the window.   玻璃窗表面反射的可见光数量与投射在上面的之比   或：在可见光谱（380纳米至780纳米）范围内，玻璃反射的光强度入射光强度的百分比。