英语字典

reflectance

R 开头单词

基本解释

  • n.反射比；反射系数

同根派生

    同根词
  • 词根：reflect
    • adj.
  • reflective反射的；反映的；沉思的
  • reflected反射的；得自他人的
  • reflecting反射的；沉思的
    • adv.
  • reflectively反映地；反照地
    • n.
  • reflection反射；沉思；映象
  • reflector[光]反射物，[光]反射镜
  • reflectivity[物]反射率；[光]反射性；反射比
  • reflectiveness反省；沉思
  • reflectometer[光]反射计
    • v.
  • reflected反射；思考（reflect的过去式和过去分词）
  • reflecting反射；表明；考虑（reflect的ing形式）
    • vi.
  • reflect反射，映现；深思
    • vt.
  • reflect反映；反射，照出；反省
  • reflectorize加工使其能反射光线

英汉例句

    双语例句

  • The impacts also change the colour, reflectance and chemistry of the surface over time.
    微粒的飞溅不仅在水星上空形成了一个超级稀薄的大气层（更准确的说是外大气层），而且还改变了水星地表的颜色，反射比，以及化学成分。
  • With excellent light reflectance and weather resistance, have to save energy, which makes protective layer can be.
    具有优良的光线反射能力和耐候性，有利于建筑节能，其上可不做保护层。
  • The parametric model theory on Bi-directional Reflectance Distribution Function (BRDF) of target is put forward in studying for target laser scattering characteristics.
    在对目标光散射特性的理论研究中，提出了目标表面材料双向反射分布函数的参数模型方法。

    • 权威例句

  • The issue is nearly moot, however, as the 5 percent reflectance of the Galaxy S III is but a small shift from the previous iterations, and what's more, this remains among the lowest reflectance in the industry.
    ENGADGET: Samsung Galaxy S, II and III pitted against one another in DisplayMate shootout
  • Now, a team of researches from the University of Oxford and the University of Southampton in the UK has developed what they are calling the "Reflectance Transformation Imaging system, " which uses 76 lights to illuminate different sections of the ancient artifacts, one at a time, while an image is taken.
    ENGADGET: Alt-week 27.10.12: ancient texts, super-Earths and special-ops mice

词组短语

    短语

  • radiant reflectance [物]辐射反射率;辐射反射系数;辐射反射比
  • reflectance ratio [摄]反射系数比;[物]反射率
  • reflectance spectrometry 反射光谱学
  • hemispherical reflectance [地物]半球向反射比;半球形反射;半球反射率
  • specular reflectance [光]镜面反射率;镜面反射

英英字典

    柯林斯英英字典

  • a measure of the ability of a surface to reflect light or other electromagnetic radiation, equal to the ratio of the reflected flux to the incident flux ( symbol: )&rarrcompare transmittance , absorptance

专业释义

    农业科学

  • 反射率

    The relations between reflectance of oilseed rape leaf and canopy spectra and chlorophyll ofoilseed rape were studied.
    3．研究了油菜叶片和冠层光谱反射率与油菜叶绿素含量的关系，建立了油菜叶绿素含量的定量分析模型。

    计算机科学技术

  • 反射式

    The new method is an innovative reference to reflectance oxygen saturation detection.
    该方法的提出对反射式血氧测量具有创新意义。

  • 反射
  • 反射能力
  • 反射率
  • 反射系数

    • 物理学

  • 漫反射
  • 反射比
  • 反射系数

    • 机械工程

  • 反射比

    Measure the transmittance and reflectance at the same time and with the sameaccuracy.
    透、反射比可同时、以同样的精度进行测量。

  • 反射系数

    Experimental results shows that spectral reflectance decreases with the increase of fluence for ZnO powders under proton exposure.
    质子辐照条件下,ZnO粉末光谱反射系数随辐照注量增加而减小。

  • 光反射

    So it is very important to trap the light incidence on a surface and reduce the reflectance for improving the efficiency of silicon solar cells.
    为了提高多晶硅太阳电池的转换效率,降低表面的光反射,增加光的有效吸收是十分必要的。

  • 反射式

    Based on the reflectance measurement with double wavelengths and double source-detector separations, the system can detect tissue optical parameters and the tissue oxygen saturation.
    该系统是基于双波长双探测距离的反射式检测系统,可对组织体组织光学参数和血氧饱和度进行测量。

    电子、通信与自动控制技术

  • 反射系数

    An improved coupling matrix extraction method was developed based on solutions of the inverse eigenproblem for Jacobian matrices. The method extracts the coupling matrix from its eigenvalues acquired by measuring the phase characteristics of the input reflectance.
    该文提出了一种基于Jacobi矩阵逆特征值理论的耦合系数矩阵提取方法,它通过测量滤波器单端口反射系数的相位得出矩阵的特征值,进而通过求解Jacobi矩阵的逆特征值问题由特征值来提取出耦合系数矩阵。

  • 反射比

    • 化学

  • 反射比

    The examine results made by CAS, Hefei Academe showed that the reflectance of the paint is over 80% to bothvisible and near-IR.
    用此涂料制备的涂层经中国科学院合肥物质研究院检测，其对可见光和近红外的反射比都超过了80％。

    地球科学

  • 反射率
  • 反射

    • 能源科学技术

  • 反射率