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- Moreover, the gas-rich waves solved a number of other long-standing problems in galactic astronomy. 富含气体的密度波还解决了一些星系天文学里长久无解的难题。
- Judy knows astronomy inside out. 朱迪对天文学非常精通。
- galactic astronomy 银河学天文
- Physics and astronomy are cognate sciences. 物理学和天文学是相关联的科学。
- Astronomy, as distinct from astrology, is an exact science. 天文学是一门严谨的科学，与占星术完全不同。
- Mathematics and astronomy are cognate sciences. 数学和天文学是互相关联的科学。
- Anhui BBCA & Galactic Lactic Acid Co., Ltd. 安徽丰原格拉特乳酸有限公司
- Astronomy inherits from astrology . 天文学是由占星学演变而来的。
- One that specializes in astronomy. 天文学家专门从事天文学研究的人
- His passion was for galactic history. 他对银河历史情有独钟。
- X-ray astronomy has made impressive progress. X射线天文学已取得了引人注目的进展。
- What are quasars and active galactic nuclei? 甚麽是类星体和活跃星系核？
- He is said to be the founder of modern astronomy. 他被誉为现代天文学的奠基人。
- He has a slight acquaintance with astronomy. 他懂一点儿天文学。
- He is very interested in astronomy. 他对天文学很感兴趣。
- Physics and astronomy are cognate science. 物理学及天文学为同性质的科学。
- Jane studied astronomy in university. 简在大学学习天文学。
- This was the birth of astronomy. 这就是天文学的起源。
- Galactic nebulas are masses of diffuse material within our galaxy. 银河星云是我们星系中的一团团弥散物。
- My professor referred me to the book "Compendious System of Astronomy". 我的教授让我参考《天文学系统概论》这本书。
