Astronomers have found that many stellar objects contain hydrogen atotms.
天文学家们已经发现,许多恒星上含有氢原子.
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To detect these waves, astronomers use several kinds of large ground-based telescopes.
为了探测这些波, 天文学家们使用了各种类型的地面大型望远镜.
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Astrophysicists do not know what causes these variability patterns or the oscillation frequencies.
天文物理学家并不知道是什麽引起变化图样或振荡频率.
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The tropical year is a phenomenon of the precession of the equinoxes in astronomy.
太阳年是天文学里的岁差现象.
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In fact important breakthroughs in the field astronomy can come from students'work.
事实上,很多天文学领域中的重要突破可能来自学生的工作.
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Judging from the above , we are positive that Astronomy Club is really something, isn't it?
看她说了这麽多, 我们可以发现天文社是一个多麽了不起的社团, 不是 吗 ?
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Astronomy is sometimes confused with astrology , which is much more popular with the masses.
天文学有时被误以为是占星学, 而占星学比较受大众欢迎.
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The annual drug bill of the Health Services is mounting to astronomical figures.
卫生部门的年度药费快达到天文数字了.
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The theory and characteristics of friction drive for a large astronomical telescope were presented.
研究了大型天文望远镜摩擦传动系统的运行原理和特性,并进行了实验.
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On smooth glass the metal makes a perfect film, especially suitable for astronomical mirrors.
在平滑的玻璃上,这种金属会形成很完美的薄膜, 特别适合于制作天文望远镜的镜面.
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