Some are very characteristic absorption lines: some for hydrogen, some for calcium, some for silicon, some for magnesium and so on.
有些是非常，典型的吸收线：，有些代表氢元素，有些代表钙元素，有些代表硅元素，有些代表镁元素等等。
As light from a quasar travels through space, it passes through clouds of gas that imprint absorption lines onto its spectrum.
当光从一个类星体划过太空，便会穿过将吸收线特征印在光谱上的气体云。
It shows you emission lines, no absorption lines.
你们看到发射谱线，不是吸收谱线。
In fact, if you see the absorption lines, you can tell what kind of elements are present in the star.
事实上，若你们看见吸收线，你就能知道恒星中，存在着哪些元素。
And here you see the spectrum of the sun with all these absorption lines that I mentioned to you.
你们可以看到，太阳的光谱，以及我向你们提过的，吸收谱线。
So helium was first discovered on the sun before it was later discovered on Earth by looking at the absorption lines of the solar spectrum.
氦元素首先在太阳上，发现，后来，在地球上发现，通过观察太阳光谱，中的吸收线。
Suppose you have a binary system that only one star is visible and the other one is invisible and the one star shows you three clear absorption lines.
假设有一个双星系统,只能看见一颗恒星,另一个看不见,一个恒星,有三条清晰吸收线。
It's plastered with absorption lines, and each of them can be identified.
它和吸收谱线混杂，每一条都能辨认出来。
The three sets of observations that purported to see methane on Mars all relied on the absorption lines which the gas imposes on light at specific wavelengths.
三组观测声称火星上有甲烷依赖于甲烷气体所影响的吸收(谱)线处在一个非常特别的波段上。
Even so, there are a great many absorption lines of other sorts that can lead to confusion, with different lines potentially masking the signal depending on whether Mars is coming or going.
即使是这样，还需要有大量的其它各类能够导致混浊的吸收光线，并且是能够潜在地屏蔽因火星的移动而产生的信号。
The Properties of quasar absorption lines are introduced and the new progress in study of QSO absorption lines is reviewed.
本文介绍了类星体吸收线的性质并评述了近年来类星体吸收研究的最新进展。
And if we want to get these big, deep absorption lines happening far away, we need to have dense, collapsed clouds of gas.
若想知道更多更深层的吸收线，我们需要浓密的已经收缩的气体云。
And if you place a cool gas in front of a hot source, you will see certain patterns which we call absorption lines.
如果你将冷气体置于热源前，你会看到一些特定图形，称之为吸收谱线。
Atoms and molecules absorb certain wavelengths and so remove them from a complete spectrum; the resulting absorption spectrum contains dark lines or bands at these wavelengths.
原子和分子吸收某些波长，因此把这些波长从完整的光谱中除去，剩下来的吸收光谱在这些波长上就呈现出黑线或黑带。
The line-by-line model for the accurate calculation of plasma opacity requires massive accurate atomic data to deal with the detailed absorption lines.
细致谱线模型是等离子体辐射不透明度精确计算的理论方法，涉及到很多原子物理过程，需要计算大量的、精确的原子参数。
The resulting signals ratio S is plotted in a series of figures under different center frequencies and different widths of the absorption lines.
给出了吸收谱线在不同中心频率、不同谱线宽度情况下，归一化信号S与布里渊频移 之间的函数图。
The experiment system for measuring wavelength was built up with iodine vapor as reference, and the iodine vapor absorption lines were measured.
建立了以碘蒸气为标定物的激光调谐波长测定系统，实际测量了碘蒸气吸收谱线。
After the skin is dry, apply an appropriate quantity of toner and massage the skin until absorption. Massage longer around the wrinkles and lines.
待眼部周围干燥后取适量的原液轻轻按摩至吸收，皱纹较深部位加深按摩。
Objective To establish ultraviolet absorption spectra lines group method for distinguishing Jinniukou and similar species.
目的建立金钮扣及类同品的紫外光谱鉴别方法。
Objective To establish ultraviolet absorption spectra lines group method for distinguishing Jinniukou and similar species.
目的建立金钮扣及类同品的紫外光谱鉴别方法。
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