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单词库 \ 英汉词典 \

spectrum是什么意思

spectrum

英[?spektr?m] 美[?spektr?m]

n. 光谱，波谱，范围，系列；

复数：spectrums; spectra;

相关单词 action spectrum bispectrum colour spectrum electromagnetic spectrum Fragment spectrum light spectrum optical spectrum spectrums

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。
声谱；波谱；频谱
范围, 系列

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；

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