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他们说，在比较寒冷的气候里，反射性高的屋顶也就意味着较高的取暖费用。
In cooler climates, they say, reflective roofs can mean higher heating bills.
由于减反膜自身反射率曲线的波长依赖性和谱线宽度的有限性，故一般情况下镀膜面的实际反射率比减反膜自身的最低反射率高。
Due to the wavelength dependence and finite spectral width of the reflection curve, the reflectivity which takes effect is generally higher than the minimum reflectivity claimed.
光谱选择性吸收涂层是一种具有对可见-近红外光高吸收、对红外光高反射的特种涂层。
Spectral selective absorbing coating is a kind of special coating with high absorptance in vis-near infrared wavelength and high reflectance in infrared wavelength.
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