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- A Nautical Chart Recording the Navigation Astronomy Technology Used by Zheng He's Travelling 记载郑和下西洋使用牵星术的海图
- Judy knows astronomy inside out. 朱迪对天文学非常精通。
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁,所以在这条河上航行很困难。
- Physics and astronomy are cognate sciences. 物理学和天文学是相关联的科学。
- The compass is an instrument of navigation. 罗盘是航行仪器。
- Navigation Astronomy Technology 牵星术
- air navigation astronomy 空中导航天文学
- The theory and practice of aircraft navigation. 航空学飞机航行的理论与实践
- 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。
- Navigation is difficult on this river because of the hide rock. 因为有暗礁,在这条河上航行很困难。
- Aerial navigation by visual identification of landmarks. 地标领航用可视地标来进行飞机航行
- 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
- X-ray astronomy has made impressive progress. X射线天文学已取得了引人注目的进展。
- 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。
- Inflect the interface for typical navigation. 为常见的导航调整界面。