专八12000词汇逻辑辩证记忆第18讲 ... specter n.幽灵, 妖怪, 缭绕心头的恐惧(或忧虑等) spectral a.幽灵的, 鬼怪的 spectrum n.1.谱,光谱,频谱 2.范围,幅度,系列 ...
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a spectral 用谱
reversal of a spectral line 光谱线的自蚀 ; 谱线的自蚀
Near a Spectral Sphere 邻于诡秘之域
a multi-spectral camera 多光谱成像仪
spectral purity of a colour 色光谱纯度
spectral radius of a matrix 矩阵的谱半径
spectral dimension of a measure 测度的谱维数
Spectral responsivity of a film 胶片的光谱响应度
There was a pretty extensive library of spectral line patterns of elements even by the 1860s.
甚至在19世纪60年代,就已经有了一个相当广泛的元素谱线模式库。
This light is passed through a prism, which breaks it up into a spectrum, and a unique pattern, kind of like a chemical fingerprint of spectral lines for that element appears.
铁块会一直加热,直到到达某一燃点,便会辐射出光来;而当它的光线穿过一块棱柱时,棱柱就会分割光线,形成光谱。
A British astronomer was analyzing a spectrograph of sunlight, and he noticed a particular pattern of spectral lines that didn't match anything in the library.
一位英国天文学家在分析一台太阳光摄谱仪时,注意到一种特殊的光谱线模式,它与图书馆里的任何一种都不匹配。
And hydrogen atom is what we're learning about, so that's the most relevant here. But just to show you that each atom does have its own set of spectral lines, just for fun we'll look at neon also so you can have a comparison point.
为了给你们展示下每个原子,都有自己的一套谱线,仅仅是为了好玩,我们看下氖,你们可以比较一下。
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