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- A serious problem in astronomical spectroscopy is imposed by the absorption of light in the earth's atmosphere. 地球的大气层对光线的吸收，给天文光谱学带来了严重的问题。
- Astronomical spectroscopy: an introduction to the atomic and molecular physics of astronomical spectra 天体光谱学:天体光谱学的原子分子物理学导论
- A serious problem in astronomical spectroscopy is imposed by the absorption of light in the earth's atmosphere 地球的大气层对光线的吸收，给天文光谱学带来了严重的问题。
- He was too poor to buy an astronomical telescope. 他太穷了，买不起天文望远镜。
- astronomical spectroscopy 天体光谱学,天体光度学
- Astronomical sums of money will be needed for this project. 这项工程需要异常庞大数额的资金。
- The price of this gem is expensive -- as much so as astronomical figures. 这个宝石的价格十分昂贵－－简直是个天文数字。
- His wife was astonished at the astronomical sum of money he had spent. 他的妻子被他花的天文数字的钱款惊呆了。
- They mounted an astronomical telescope on the roof. 他们把天体望远镜装在屋顶上。
- He is engaged in astronomical research. 他致力于天文学的研究。
- Our astronomical work is handicapped just now. 目前我们的天文工作受到阻碍。
- He's been offered an astronomical salary. 有人出巨额薪水聘请他.
- An astronomical increase in the deficit. 赤字的巨大增长
- Astronomical Obscrvatory, St Petersburg ? 圣彼得堡天文台
- The costs of land for building are astronomical. 买地建房的花费很庞大。
- Astronomical Novelty - What is Dark Energy? 天文新知甚么是黑暗能量?
- It at first is an astronomical observatory. 它原先是一个天文台。
- Light-year is an astronomical unit. 光年是一个天文单位。
- For Joint School Astronomical Society. 联校天文协会的讲座。
- Palomar Astronomical Photographies. 星云星团.
