短语搭配
双语例句
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A wide spectrum of dissenting opinions was represented on the Internet.
互联网上出现了各种各样的不同意见。
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Scientists are observing the spectrum of celestial bodies.
科学家正在观测天体的光谱。
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What is the frequency range of the spectrum?
波谱的频率范围是多少?
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A wide spectrum of opinion was represented at the meeting.
会上提出了一系列广泛范围的意见
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These antibiotics are effective against a broad spectrum of bacteria and fungi.
这些抗生素对多种细菌和真菌都有效。
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Red and violet are at opposite ends of the spectrum.
红色和紫色位于光谱的两端。
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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。
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They were expecting to see one certain frequency or one line in the spectrum at this point here.
他们预计会看到某个特定的频率,或者在这里的光谱中的一条线。
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We might be asked, for example, to determine what different elements could produce a spectrum that gave 5 different lines.
比如,可能会让我们决定有哪些不同的元素可以产生一个有五条不同的谱线的光谱?
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We shall hear views from across the political spectrum.
我们要听取各个政治派别的看法。
近义词
n.
extentboundaryregionterritoryarea
词根词缀
-um
物
-um
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forum
n. 论坛;讨论会;法院;法庭;用于公开审判等事的广场;网络论坛
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museum
n. 博物馆;博物院
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mausoleum
n. 陵墓
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dictum
n. 正式声明;权威意见;格言;箴言
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helium
n. 氦
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medium
n. 媒介;途径;方法;手段;媒质;媒介物;传导体;溶剂;灵媒;巫师;招魂者;中等;中间;中庸;存储媒介
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asylum
n. 政治避难;精神病院;收容所;避难所
同根词
词根 spectrum
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spectroscopic
adj. 光谱学的;分光镜的
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spectrographic
adj. 光谱的
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spectrometric
adj. 光谱测定的;度谱的;分光仪的;能谱仪的
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spectroscopy
n. [光] 光谱学
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spectrometry
n. [物][光][分化] 光谱测定法,[光] 度谱术
百科
1. 光谱是复色光经过色散系统(如棱镜、光栅)分光后,被色散开的单色光按波长(或频率)大小而依次排列的图案。光波是由原子内部运动的电子产生的,各种物质的原子内部电子的运动情况不同,所以它们发射的光波也不同,研究不同物质的发光和吸收光的情况,有重要的理论和实际意义,已成为一门专门的学科——光谱学,分子的红外吸收光谱一般是研究分子的振动光谱与转动光谱的,其中分子振动光谱一直是主要的研究课题。
2. 《Spectrum》是歌手Matthew Koma的代表作,收录在他的专辑《Parachute》中。发表于2012年5月29日,同年10月发布了Koma与德国DJZedd这首EP的合作版本。
释义
n.
a band of colours, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction according to wavelength
谱,光谱。
(the spectrum)the entire range of wavelengths of electromagnetic radiation
波谱。
an image or distribution of components of any electromagnetic radiation arranged in a progressive series according to wavelength
电磁波谱。
a similar image or distribution of components of sound, particles, etc., arranged according to such characteristics as frequency, charge, and energy
频谱。
used to classify something, or suggest that it can be classified, in terms of its position on a scale between two extreme or opposite points
范围
词源
"early 17th cent. (in the sense ‘spectre’): from Latin, literally ‘image, apparition', from specere ‘to look’."