- 重点词汇
- topographyn.地形学;地形测量学;地貌;
- spectaclesn.眼镜;眼镜( spectacle的名词复数 );壮观;壮观的场面或景象;可笑的事物;
- itspron. (it的所有格形式)它的;厥;
- numerousadj.很多的，许多的;数量庞大的;数不清的;
- typicaladj.典型的;特有的;一贯的，平常的;
- quartziten.石英岩，硅岩;
- featuresn.特征( feature的名词复数 );特写;[复数]面貌;面貌的一部分（如眼、鼻、口等）;
- 相关例句
染料大都来源于天然的植物和矿物,比如罂粟 、 红花和石英岩.
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They do so by combining quasar spectra with numerical simulations of structure formation.
他们的做法是将类星体光谱和结构形成的数值模拟结果结合在一起.
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Quasars are optical and sources of enormous intensity, apparently at great distances from the earth.
类星体是极强的光源和射电源, 看上去距地球极其遥远.
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For many years, Treister says, astronomers doubted that obscured quasars were very common.
特雷斯特表示, 多年来天文学家们一直不相信被遮挡的类星体是很普遍的.
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A collection of Hubble space telescope images shows galaxies that host quasars.
一组哈勃拍摄到的恒星状球体(类星体)的宿主星系的图片.
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The quasars cannot shine for longer than a few million years with their present luminosity.
在几百万年以后,类星体将不可能具有他们今天那样的发光度.
词典精选例句
Energy is injected into space by quasars in the form of fast, nonrelativistic particles.
能量是以快速非相对论性粒子的形式由类星体注入空间的.
词典精选例句
Since the light arriving from the quasars began its journey billions of years ago.
来自类星体的光从数十亿年前就开始了它们的旅程,所以在宇宙诞生初期.
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This paper presents a novel method for redshift determination of quasars.
给出了一种新的类星体光谱的红移测量方法.
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Troops were displaying an obvious reluctance to get involved in quashing demonstrations.
部队显然并不愿意参与镇压示威游行。
《柯林斯高阶英汉双解学习词典》
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