reflectance
英 [rɪˈflektəns]
美 [rɪˈflektəns]
n. (光的)反射比
复数：reflectances
BNC.18144 / COCA.34179
牛津词典
noun
- （光的）反射比
a measure of how much light is reflected off a surface, considered as a part of the total light that shines onto it
英英释义
noun
- the fraction of radiant energy that is reflected from a surface
双语例句
- The spectral reflectance of each test specimen is measured in situ before and after exposures.
在辐照前后对每一个试样的光谱反射系数进行了原位测量。 - Bidirectional reflectance distribution function ( BRDF) can be used to study the laser scattering properties of target surface.
为了研究目标表面的激光散射特性可以利用双向反射分布函数的方法。 - The research results show that the linewidth, radical densities and maximum reflectance of disturbed coals are increased.
结果表明，构造煤的顺磁共振谱图线宽、自由基浓度和最大反射率值增高。 - Infrared Reflectance of the product rate was71%.
该产品的红外反射率为71%。 - Visible and near-infrared reflectance spectroscopy ( Vis-NIRS) was applied to non-invasively measurement of water content in engine lubricant.
研究了基于可见-近红外光谱技术的发动机润滑油含水量快速检测方法。 - Study on quick determination of water content in medicine by near infrared reflectance spectroscopy
近红外检测技术对药品中水分进行快速测定的研究 - The relationship between soil texture, soil ferric oxide and soil spectral reflectance.
氧化铁与土壤质地与土壤反射率的关系。 - Bidirectional reflectance distribution function ( BRDF) is an important reflective parameter of object surface.
双向反射分布函数（BRDF）是材料表面光学反射性能的重要指标。 - The results indicate that the reflectance spectrum is highly dependent on the array periodicity.
结果表明，其反射光谱与阵列周期有关。 - They also have a strong influence on surface albedo ( solar energy, absorption and reflectance) and the hydrological cycle.
它们还对地表反照率（太阳能的吸收和反射）与水文循环有很强的影响。