spectrum

英 [ˈspektrəm] 美 [ˈspektrəm]

n.  谱; 光谱; 声谱; 波谱; 频谱; 范围; 各层次; 系列; 幅度

复数:spectra

CET6考研TOEFLIELTSGRETEM8化学

Collins.2 / BNC.3581 / COCA.3893



牛津词典

noun

  1. 谱;光谱
    a band of coloured lights in order of their wavelengths , as seen in a rainbow and into which light may be separated
    1. A spectrum is formed by a ray of light passing through a prism.
      一束光通过棱镜就会形成光谱。
    2. Red and violet are at opposite ends of the spectrum.
      红色和紫色位于光谱的两端。
  2. 声谱;波谱;频谱
    a range of sound waves or several other types of wave
    1. the electromagnetic/radio/sound spectrum
      电磁波谱;射频频谱;声谱
  3. 范围;各层次;系列;幅度
    a complete or wide range of related qualities, ideas, etc.
    1. a broad spectrum of interests
      广泛的兴趣范围
    2. We shall hear views from across the political spectrum.
      我们要听取各个政治派别的看法。

柯林斯词典

  1. 光谱
    The spectrum is the range of different colours which is produced when light passes through a glass prism or through a drop of water. A rainbow shows the colours in the spectrum.
    1. N-COUNT 系列;范围
      A spectrum is a range of a particular type of thing.
      1. She'd seen his moods range across the emotional spectrum...
        她见识过他的情绪波动会有多大。
      2. Politicians across the political spectrum have denounced the act...
        各党派的政客们都对该行为表示谴责。
      3. The term 'special needs' covers a wide spectrum of problems.
        “特殊需求”一词包含的问题范围很广。
    2. N-COUNT 波谱(如光波波谱、无线电波波谱等)
      A spectrum is a range of light waves or radio waves within particular frequencies.
      1. Vast amounts of energy, from X-rays right through the spectrum down to radio waves, are escaping into space...
        大量的能量,从 X 光直到无线电电波,都正被泄露到太空中去。
      2. The individual colours within the light spectrum are believed to have an effect on health.
        光谱中不同的颜色被认为对健康有不同的影响。
      3. ...the ultraviolet spectra of hot stars.
        热星的紫外光谱

    双语例句

    1. Households accumulate wealth across a broad spectrum of assets
      家庭在以各种各样的资产形式积累财富。
    2. This creates a spectrum of colours at the edges of objects which blurs the image
      这在物体的边缘形成了一道色谱,使图像变得模糊不清。
    3. The political spectrum has broadened.
      政治范围得到了扩大。
    4. The agreement has been criticised by extremist groups on both ends of the political spectrum.
      协议遭到了极左翼和极右翼极端团体的批评。
    5. The two politicians represent opposite poles of the political spectrum.
      这两位从政者代表了政界的两个极端。
    6. Politicians across the political spectrum have denounced the act
      各党派的政客们都对该行为表示谴责。
    7. The term 'special needs' covers a wide spectrum of problems.
      “特殊需求”一词包含的问题范围很广。
    8. Vast amounts of energy, from X-rays right through the spectrum down to radio waves, are escaping into space
      大量的能量,从X光直到无线电电波,都正被泄露到太空中去。
    9. The individual colours within the light spectrum are believed to have an effect on health.
      光谱中不同的颜色被认为对健康有不同的影响。
    10. The primary colors of the spectrum are red, green and blue.
      光谱的原色是红、绿、蓝。
    11. For other parts of the spectrum, such as the ultraviolet, satellites are necessary to see what objects in space are doing.
      对波谱的另外一些部分,如紫外辐射,必须利用卫星才能知道是宇宙中什么天体产生的。
    12. Thus, semantic spectrum covers both data and metadata.
      因此,语义谱同时覆盖了数据和元数据。
    13. The spectrum of a and b look correct.
      a和b的频谱看起来是正确的。
    14. Meanwhile the finished product of trehalose was analysised with infrared absorption spectrum.
      并采用红外吸收光谱对海藻糖成品进行了分析。
    15. This article proposes one practice case for a satellite frequency spectrum monitor system.
      提出了一种卫星频谱监测系统的实践案例。
    16. Comparison on induced polarization relaxation time spectrum and nuclear magnetic resonance T2 spectrum of rock has been done.
      分析了不同矿化度对极化谱的影响,对极化谱和T2谱进行了对比。
    17. The expression format and application method of longitudinal vibration road spectrum were described.
      建立了纵振动力学模型,阐述了纵振路面谱的表达形式及应用方法。
    18. Temperature and transition metal ions have greatly influences on fluorescence spectrum.
      温度和过渡金属离子对它的荧光光谱有较大的影响。
    19. The Oscilloscope and Spectrum Analyzer of your product is really the best on market.
      你们产品中的示波器和频谱分析仪真正是市场上最好的。
    20. Formant: it uses the estimation of the overall shape of the spectrum's amplitude envelope.
      共振峰:使用了对频谱的振幅包络线的大体形状所作的估计。
    21. There are two main alternatives, Direct Sequence Spread Spectrum and Frequency Hopping Spread Spectrum.
      重要有两种选择,直接序列扩频和跳频扩频。
    22. The sinusoid frequency estimation algorithms for all phase spectrum analysis are studied.
      研究了应用于全相位频谱分析的正弦波频率估计算法。
    23. Built-in spectrum analyzer, analog measurement functions, and power meter.
      内置频谱分析仪,模拟测量函数,和功率计。
    24. Firstly, the photon correlation spectroscopic theory and the scattering spectrum estimation of dynamic light scattering measurement were introduced.
      首先,介绍了动态光散射测量法涉及的光子相关光谱理论和散射光谱估计理论。
    25. Fitting the average energy density of Langmuir wave, the energy density function of Langmuir spectrum is obtained.
      通过对获得的朗缪尔波平均能量密度谱进行拟合,得到了朗缪尔波能量密度谱函数。
    26. This report mainly introduces the theory and facility for measuring solar infrared spectrum of window region.
      文章主要介绍了红外窗区太阳光谱测量的实验装置,观测方法和数据处理方法。
    27. This paper collects the near-infrared spectrum of glucose powder and does particular analysis for the results.
      本文通过实验采集了葡萄糖粉末的近红外光谱,并对结果作了详细分析。
    28. Evidentiy there's a shift in their spectrum.
      显然,他们那边的光谱和我们这的有差别。
    29. The capacity spectrum method of the structural performance evaluation is discussed in this paper.
      论文还对结构抗震性能评估的能力谱方法进行了研究。
    30. Herein, some molecular isomerization in vision with Femtosecond-Stimulated Raman spectrum and crystallographic analysis of visual photochemistry were reviewed.
      本文对视觉中分子异构化与飞秒受激喇曼光谱研究和视觉光化学相关的晶体学研究的最新进展等作了综述。

    英英释义

    noun

    1. a broad range of related objects or values or qualities or ideas or activities

      1. an ordered array of the components of an emission or wave