n.反射率；反射性；反射比
The reflectivity of land to solar radiation is much higher than that of ocean. 陆地对太阳辐射的反射率远远高于海洋。
This paper describes measurement of mirror reflectivity via cavity-ring-down-spectroscopy. 介绍了利用光腔衰荡光谱技术高精度地检测高反镜的反射率的实验方法。
