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- A Nautical Chart Recording the Navigation Astronomy Technology Used by Zheng He's Travelling 記載鄭和下西洋使用牽星術的海圖
- Judy knows astronomy inside out. 朱迪對天文學非常精通。
- Navigation is difficult on this river because of the hidden rocks. 因為河上有暗礁，所以在這條河上航行很困難。
- Physics and astronomy are cognate sciences. 物理學和天文學是相關聯的科學。
- The compass is an instrument of navigation. 羅盤是航行儀器。
- Navigation Astronomy Technology 牽星術
- air navigation astronomy 空中導航天文學
- The theory and practice of aircraft navigation. 航空學飛機航行的理論與實踐
- Astronomy, as distinct from astrology, is an exact science. 天文學是一門嚴謹的科學，與占星術完全不同。
- Mathematics and astronomy are cognate sciences. 數學和天文學是互相關聯的科學。
- Navigation is difficult on this river because of the hide rock. 因為有暗礁，在這條河上航行很困難。
- Aerial navigation by visual identification of landmarks. 地標領航用可視地標來進行飛機航行
- Astronomy inherits from astrology . 天文學是由占星學演變而來的。
- One that specializes in astronomy. 天文學家專門從事天文學研究的人
- X-ray astronomy has made impressive progress. X射線天文學已取得了引人注目的進展。
- He is said to be the founder of modern astronomy. 他被譽為現代天文學的奠基人。
- He has a slight acquaintance with astronomy. 他懂一點兒天文學。
- He is very interested in astronomy. 他對天文學很感興趣。
- Physics and astronomy are cognate science. 物理學及天文學為同性質的科學。
- Inflect the interface for typical navigation. 為常見的導航調整界面。
