n.(材料对光或辐射的)反射率

The reflectivity of a mirror is typically close to 100%.
镜子的反射率通常接近100%。
The silver coating on the back of a one-way mirror enhances its reflectivity.
单向镜背面的银涂层增强了其反射率。
The surface roughness can significantly affect the optical reflectivity of a material.
表面粗糙度会显著影响材料的光学反射率。
The sunscreen has a high reflectivity in the ultraviolet region, protecting the skin from harmful radiation.
这款防晒霜在紫外线区域具有高反射率，能保护皮肤免受有害辐射伤害。
The snow's high albedo, or reflectivity, helps to maintain Earth's temperature balance.
雪的高反照率（或反射率）有助于维持地球的温度平衡。
The polarizer reduces the light reflectivity by blocking certain polarization directions.
偏振器通过阻挡特定偏振方向的光线来降低光的反射率。
The radar system depends on the reflectivity of objects to detect and identify them.
雷达系统依赖于物体的反射率来进行探测和识别。
The reflectivity of the metal decreases with increasing wavelength of incident light.
金属的反射率随入射光波长的增长而减小。
The new paint technology increases the solar reflectivity of buildings, reducing cooling costs.
新的涂料技术提高了建筑物对太阳光的反射率，从而降低了制冷成本。
Measuring the reflectivity of the moon's surface is crucial for understanding its geological history.
测量月球表面的反射率对于了解其地质历史至关重要。