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单词 spectrum
释义

spectrum /ˈspektrəm//ˈspektrəm/

英汉-汉英词典
  1. n. 光谱
  2. 波谱
  3. 范围, 系列
复 数: spectra
词组 | 习惯用语
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
英语例句库
  1. This is a kind of atomic spectrum.
    这是一种原子光谱
  2. There is a different spherochromatism after the two systems correct secondary spectrum,spherical aberration and comatic aberration.
    当这两种系统消球差、彗差及复消色差后会产生不同的色球差。
  3. Then the effect is to steepen the flanks of the pulse spectrum.
    因此在效果上是加大了脉冲谱翼部的陡度。
  4. All-dielectric multi-cavity filter: high transmittance of the peak, well-rectangularity, deep cut-off spectrum.
    全介质多腔滤光片,峰值透过率高,矩形化好,截止深。
  5. Howard Pattee, an early cybernetician, defined hierarchical structure as a spectrum of connectance.
    早期的控制论专家霍华德·派蒂将层次结构定义为一个连接性频谱
  6. Quartz is studied using an electrical conductible degree of ore-bearing fluids and infrared spectrum.
    电导度是溶液导电能力的相对尺度,电导度的大小能直接反映出成矿溶液浓度的高低。
  7. The absolute summability of autocorrelation sequence imposes only the continuity constraint on the power spectrum.
    另外,绝对可加性自相关数列之假设只是意指在频谱中必须连续。
  8. The effect of solvent polarity and guanidinium on the con-formation of carbonic anhydrase was studied by fluorescence emission spectrum.
    以紫外荧光光谱为检测手段,比较研究了溶剂极性及盐酸胍对碳酸酐酶构象的影响。
  9. Praziquantel is a broad spectrum antiparasitic drug and has remarkable activity against all species of schistosomas.
    吡喹酮是广谱抗寄生虫药物,对各类血吸虫均有杀灭作用。
  10. The preys spectrum had certain selectivity,appulsive on the Lepidoptera especially the large-scale larva, appulsive on differentstand also.
    对于不同类型的林分也有不同的趋向性,对灌木、小乔木等的害虫防治效果显著,而对于比较高大树木上的害虫防治效果较差。
  11. Aim To validate spectrum analysis of oxalyl fluoride neutral molecule(FCO)2 and study vibrational mode of the two configuration.
    结果得到了与光谱分析一致的结果,草酰氟分子有平面反式和顺式2种构像。
  12. The NRG Pyranometer is an excellent general purpose solar radiation sensor that is calibrated for the daylight spectrum.
    NRG日照传感器是优质的太阳辐射测量传感器,测量直射和折射太阳辐射,从而得出总辐射量。输出一个低电流信号。
  13. Absorption spectrum and photostability are inverestigated for a series of heptamethine IR dyes and related to chemical structure.
    对十五种红外激光染料进行了吸收光谱和光稳定性的测试。
  14. The performance of fluorescent-labeled copolymers contained pyrenyl has been studied by means of fluorescent spectrum and static evaluation test.
    通过荧光光谱法和静态阻垢法研究了含芘基团的荧光标记聚合物的性能,并进行了评价。
  15. Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
    以枞酸为起点,合成了十二醇酯琥珀酸酐,采用红外光谱、核磁共振波谱及质谱对中间产物及终产物进行了结构表证。
  16. The structure,the linking method and the working principle of the automatic measurement system for semiconductor photovoltage spectrum have been reported.
    报道了所建立的半导体光电压谱自动测量系统的结构、联机方法和工作原理。
  17. Quinolone is known as broad antibacterial spectrum,high potency,no crossing drugresistance with other antibacterial drugs,and easy and low cost to administer.
    喹诺酮类药物具有抗菌谱广、抗菌活性强、给药方便,与常用抗菌药物无交叉耐药性、价格低等特点。
  18. Furthermore, he added, the combination of mezlocillin and sulbactam were selected because of their broad spectrum, rapid onset, and low cost.
    此外,他补充,联合使用美洛西林和舒巴坦是经过挑选的因为它们为广谱、快速起效和低的花费。
  19. Abstract : The effect of solvent polarity and guanidinium on the con-formation of carbonic anhydrase was studied by fluorescence emission spectrum.
    摘要 : 以紫外荧光光谱为检测手段,比较研究了溶剂极性及盐酸胍对碳酸酐酶构象的影响。
  20. The principle of secondary spectrum is introduced and the equations of designing apochromatism objective lens based on wave aberration are presented.
    介绍了二级光谱的基本原理,给出了波差法设计复消色差物镜的方程组。

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原声例句
English With Lucy(双语体验)

So, we have the spectrum of white and black.

所以,我们有了白色和黑色这两种色谱

瑞克与莫蒂 第一季(双语)

I created a spectrum of all the Ricks.

然后列出了所有的Rick。

CNN 10 学生英语 2022年10月合集

What is up with this warm color spectrum?

暖色光谱是怎么回事?

English With Lucy(双语体验)

So we've got a huge spectrum of colours that you can be.

所以,关于发色,我们有很多很多颜色。

Crash Course 天文篇

Other elements span the spectrum in colors they give off.

其他元素所发出的颜色也跨越了光谱

假如有如果

By definition, color is the visible spectrum of light waves.

根据定义,颜色是光波的可见光谱

VOA常速英语_美洲

The National Retail Federation represents a full spectrum of companies.

全国零售联合会代表了各种各样的公司。

CRI在线 2021年5月合集

They previously measured the spectrum of high-energy proton cosmic rays.

他们之前测量了高能质子宇宙射线的光谱

梅姨演说合辑

There were objections to it from across the political spectrum.

各大政治派别都曾对“权力下放”提出过反对意见。

经济 Crash Course

A monopoly is on the side of the spectrum.

垄断正好与完全竞争的市场相反。

中文百科

光学频谱

光学频谱,简称光谱,是复色光通过色散系统(如光栅、棱镜)进行分光后,依照光的波长(或频率)的大小顺次排列形成的图案。光谱中最大的一部分可见光谱是电磁波谱中人眼可见的一部分,在这个波长范围内的电磁辐射被称作可见光。光谱并没有包含人类大脑视觉所能区别的所有颜色,譬如褐色和粉红色。条目颜色解释了这种现象的原因。

英语百科

Spectrum 光学频谱

The spectrum in a rainbow
Diagram illustrating the electromagnetic spectrum
Electromagnetic spectrum of a quasar.
Mass spectrum of Titan's ionosphere

A spectrum (plural spectra or spectrums) is a condition that is not limited to a specific set of values but can vary infinitely within a continuum. The word was first used scientifically within the field of optics to describe the rainbow of colors in visible light when separated using a prism. As scientific understanding of light advanced, it came to apply to the entire electromagnetic spectrum.

近义、反义、联想词
近义词
n.
array, scope, range, reach, orbit, compass, ambit

联想词
continuum连续;wavelength波长;gamut全音阶;spectral光谱的;broad宽的,辽阔的;range范围;frequency频繁;swath细长的列;polarization极化;spanning生成,长成;breadth宽度,幅度;
英英词典
spectrum n.
  1. an ordered array of the components of an emission or wave
  2. broad range of related values or qualities or ideas or activities
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更新时间:2025/6/21 19:39:51