reflectance

英 [rɪˈflektəns]

美 [rɪˈflektəns]

n.  (光的)反射比

复数：reflectances　

IELTS电力

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
  Synonym:coefficient of reflectionreflection factorreflectivity

双语例句

• This paper discusses the reflectance measurement of the magneto-optical disk using a comparison method, and describes the effects of the optical system's nonideal condition.
  讨论了用比较法测量磁光盘反射率问题，重点分析了由于系统光路的非理想性对测试结果的影响。
• The influence of structure parameters and contents of plant leaves on their reflectance spectra was analyzed using the PROSPECT model.
  利用植物单叶光谱模型PROSPECT分析了植物叶片结构和组分对其反射光谱的影响。
• 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。
• 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。
• A study on a model of turf quality evaluation based on reflectance spectroscopy
  基于反射光谱技术评价草坪质量模型的研究
• 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。
• 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。
• 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 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。