spectrum

美音：['spektrəm] 英音：['spektrəm]

简单释义：

n.波谱；能谱；范围；【物】谱

网络光谱；频谱；光谱纤维

变形：

复数：spectra

完整释义：

1.图谱;频谱,波谱;电子谱;电磁波谱
2.〔物〕谱,能谱
3.〔转义〕范围,幅度;(连续的)系列
4.系列,大小,范围
5.领域
6.序列
7.各个方面
8.【无线电】射频频谱;无线电(信号)频谱
9.【物理学】谱,光谱;波谱;能谱,质谱
10.【心理学】(眼睛的)余像;残像

例句：

The team studied the spectra, or chemical signatures, of the light from 146 white dwarfs located within a few hundred light-years of Earth.
研究小组研究了光谱，即光线的化学特征。光线来自146颗白矮星，它们位于距地球几百光年的范围之内。
High-mass cluster ions that are unique to the oxidation state of each oxide sample appear in the negative ion mass spectra.
高大规模团簇离子所特有的抗氧化状态的每个氧化物样品出现在负离子质谱。
The former is called the spectra analysis of a differential operator and the latter is the inverse spectra problem.
前者称为微分算子的谱分析，后者称为逆谱问题。
UV-Vis spectra show the macromolecular chain has no obvious effect on the maximal absorption of benzophenone moieties.
紫外光谱证实了高分子的结构对二苯甲酮单元的最大紫外吸收几乎没有影响。
It is possible to describe the excitation spectra in terms of elementary modes of excitation.
可以借助于基本激发模式来描述激发谱。
The methods were used to resolve overlapping spectra of the mixtures ofp-nitrotoluene, p-nitrophenol and p- nitroaniline .
将离散变换主组分回归方法用于处理对硝基甲苯、对硝基酚和对硝基苯胺混合物的重叠紫外吸收光谱数据。
For the pesticides with similar structures, their fluorescence spectra are also similar and overlapped in a wide wavelength arrange.
对于结构非常相似的农药，它们的荧光光谱也非常相似并且在很宽波长范围内相互重叠。
TEM images and IR spectra show that the AA was polymerized on the surface of PS particles and core-shell structure formed.
TEM照片和红外光谱表明AA在PSt粒子表面聚合形成表面羧基化的核壳结构粒子。

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