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spectrum

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spectrum是什么意思
英式音标:[ˈspektrəm]英式读音
美式音标:[ˈspɛktrəm]美式读音
词语分类:CET6,TEM8,IELTS,GRE,考研,TOEFL
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概况:

n. 光谱;频谱;范围;余象

词义:

n.

光谱;波谱;范围;系列

变形

复数:spectrumsspectra

双语释义

n.(名词)

[C] 光谱 the set of bands of coloured light into which a beam of white light may be separated

[C] 波谱a range of any of various kinds of waves3 [C] 范围,系列 full or wide range or sequence

英英释义

spectrum[ 'spektrəm ]

n.

an ordered array of the components of an emission or wave

broad range of related values or qualities or ideas or activities

用法:

词组短语

spectrum analysis光谱分析;分光分析

frequency spectrum频谱;频率谱

infrared spectrum红外光谱

power spectrum[计]功率谱

spread spectrum扩展频谱

energy spectrum能谱

broad spectrum[医]广谱

absorption spectrum吸收光谱;吸收频谱

response spectrum反应谱;响应谱;响应频谱;感应波谱

mass spectrum n. [物]质谱

fluorescence spectrum荧光光谱

emission spectrum发射光谱;放射谱

spectrum analyzer[计]频谱分析仪

raman spectrum拉曼光谱;联合散射光谱

spread spectrum communication扩展频谱通信,扩频通信

load spectrum载荷谱

ultraviolet spectrum[化]紫外光谱

wave spectrum波谱

power spectrum density功率谱密度

amplitude spectrum振幅谱;振幅频谱

双语例句

用作名词(n.)

There's a wide spectrum of opinions on this problem.
对这个问题的说法众说纷纭,莫衷一是。

There are tense competition in the whole spectrum of the industry.
整个工业领域竞争很激烈。

The press has published a wide spectrum of books.
这个出版社出版了一系列范围广泛的书籍。

In the spectrum, distinct colours shade into each other.
在光谱中,截然不同的颜色相互融合起来。

Red and violet are at opposite ends of the spectrum.
红色和紫色位于光谱相对的两端。

权威例句

...Mode Decomposition and the Hilbert Spectrum for...

The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time seri

Secure spread spectrum watermarking for multimedia

High-resolution frequency-wavenumber spectrum analysis

On the allelic spectrum of human disease

Spectrum of medication-induced complications in the abdomen: role of cross-sectional imaging

Nonalcoholic fatty liver disease: A spectrum of clinical and pathological severity ☆ ☆☆

Raman Spectrum of Graphite

High-Resolution X-Ray Photoemission Spectrum of the Valence Bands of Gold

Spectrum analysis—A modern perspective
同义词:tether,territory,sweep,sphere,span,scope,region,reach,range,purview,purlieu,pale,horizon,ground,extents,extent,boundary,bound,bailiwick,area,ambit
同根词:spectrum,spectroscopy,spectroscopic,spectrometry,spectrographic
英语词源:

spectrum (n.)

1610s, "apparition, specter," from Latin spectrum (plural spectra) "an appearance, image, apparition, specter," from specere "to look at, view" (see scope (n.1)). Meaning "visible band showing the successive colors, formed from a beam of light passed through a prism" first recorded 1670s. Figurative sense of "entire range (of something)" is from 1936.

造句:

1. Attitudes to automation vary across a wide spectrum.

人们对自动化的态度各不相同。

-- 来源 -- 英汉 - 辞典例句

2. A particular spectrum line corresponds to a certain definite light wavelength.

某特定的谱线就代表一个确定光的波长。

-- 来源 -- 英汉 - 辞典例句

3. Counselling covers a broad spectrum of behaviour problems.

咨询包含一系列广泛的行为问题。

-- 来源 -- 英汉 - 辞典例句

4. 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。

-- 来源 -- 英汉 - 辞典例句

5. Several different names have emerged to characterize different parts of the spectrum.

几个不同的名称用来表示电磁波谱的不同部分。

-- 来源 -- 英汉 - 辞典例句

6. At the same time broaden the spectrum as result of energy loss fluctuations.

与此同时,电子谱由于能量损失的涨落而展宽。

-- 来源 -- 英汉 - 辞典例句

7. Its IR spectrum compared with that of comphor nitrimine.

它的红外光谱与樟脑硝亚胺红外光谱相似。

-- 来源 -- 英汉 - 辞典例句

8. Once you’ve developed a good spectrum of visual language studies reflecting persona experience goals and brand and experience keywords, it’s time to present them to stakeholders for feedback.

在你完成了这个步骤的工作,得到了一系列能够反应人物角色目标、品牌和体验关键词的视觉语言研究结果。 这时,就可以将它们演示给利益关系人,以得其反馈。

-- 来源 -- About Face 3交互设计精髓

9. As with many of the categorizations we offer in this book, the lines between these can be fuzzy. Consider them to represent a spectrum upon which any Web site or application can be located.

我们在此书中讨论的这些类别之间的区别可能有时并不明显,它们就像是无明显边界的色谱一样,这些网站和应用都分布在上面。 提供信息的网站

-- 来源 -- About Face 3交互设计精髓

10. Our goal is threefold: to rapidly and painlessly get beginners into intermediacy, to avoid putting obstacles in the way of those intermediates who want to become experts, and most of all, to keep perpetual intermediates happy as they stay firmly in the middle of the skill spectrum.

我们的目标有3个方面,即首先让新手快速和无痛苦地成为中间用户;其次避免为那些想成为专家的用户设置障碍;最后最为重要的是,让永久的中间用户感到愉快,因为他们的技能将稳定地处于中间层。

-- 来源 -- About Face 3交互设计精髓

spectrum

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