spectrum是什么意思？

spectrum

英[ˈspektrəm] 美[ˈspɛktrəm]

• n. 光谱，波谱，范围，系列；

复数：spectrums; spectra;

例句

• Many insects can perceive colours of the spectrum that are invisible to us. 许多昆虫能感觉到光谱中我们所看不见的颜色。
• This is a kind of atomic spectrum. 这是一种原子光谱。
• Number of Stars; Electromagnetic Spectrum Limit. 恒星数 、 电磁波谱极限.
• Television systems, which transmit 30 picture frames per second, must operate on a broad electromagnetic spectrum. 每秒传输30幅图象画面的电视系统, 它必须工作于宽带电磁波谱.
• Photometric sensors are devices that measure energy in the visible spectrum. 测光传感器是测定可见光谱中能量的仪表.
• 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 electromagnetic spectrum covers an enormous range of frequencies and energies. 电磁波谱包括极大的频率和能量范围.
• The political spectrum has broadened. 政治范围得到了扩大。
• 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。
• 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。

柯林斯高阶英汉双解学习词典释义

• N-SING
  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.
• N-COUNT
  系列;范围
  A spectrum is a range of a particular type of thing.
  例句
  She'd seen his moods range across the emotional spectrum... 她见识过他的情绪波动会有多大。 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。
• 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.
  例句
  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。 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。

英汉词典释义

• n.
  光谱
  This is a kind of atomic spectrum. 这是一种原子光谱。 Many insects can perceive colours of the spectrum that are invisible to us. 许多昆虫能感觉到光谱中我们所看不见的颜色。

英英词典释义

• Noun
  1. an ordered array of the components of an emission or wave
  2. broad range of related values or qualities or ideas or activities

行业词典

• 医学： 〔复spectra〕光谱：由反射和衍射得到的电磁振动波长之色带图。见invisble s.和visible s.。引伸此义，亦指可测量的活动范围，例如抗菌素的抑菌范围(抗菌谱)，疾病表现的完整范围(疾病谱)；
  数学： 谱；
  物理学： 谱；