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
- Study on the Mechanism of Composite Coating with Low Infrared Emittance and Low Radar Reflectance;
首先，为了选择低红外发射率材料，研究了金属、半导体和电介质的光学性质。 - Exposure ratios between spectral bands are determined from in situ reflectance spectra of objects in scene.
光谱波段之间的曝光量比值，可以根据景物中目标的就地测定的反射光谱确定。 - Infrared Reflectance of the product rate was71%.
该产品的红外反射率为71%。 - Reflectance Spectroscopy Study of Low-Frequency Ultrasound and Glycerol on Skin Optical Clearing
低频超声波和甘油对皮肤组织光学透明的反射光谱研究 - Sky radiance might be influenced by the multiple reflectance between the earth's albedo surface and the atmosphere.
天空亮度可能受到地表与大气之间的多次反射的影响。 - The surface reflectance is an important parameter controlling surface energy balance.
地表反射率是控制地表能量平衡的一个重要参数。 - 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。 - The effects of the aspect of iron fiber on reflectance are analyzed.
分析了铁纤维长径比对反射率的影响。 - 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) 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。