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

• 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。
• 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
• 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

• 光谱
  The spectrumis 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.
• N-COUNT 系列;范围
  Aspectrumis 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。
• N-COUNT 波谱(如光波波谱、无线电波波谱等)
  Aspectrumis 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

英英释义

noun

• a broad range of related objects or values or qualities or ideas or activities
• an ordered array of the components of an emission or wave

双语例句

• 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。
• The primary colors of the spectrum are red, green and blue.
  光谱的原色是红、绿、蓝。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• The spectrum of a and b look correct.
  a和b的频谱看起来是正确的。
• 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。