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- Judy knows astronomy inside out. 朱迪对天文学非常精通。
- Physics and astronomy are cognate sciences. 物理学和天文学是相关联的科学。
- Not situated at or in the geometric center. 离心的不位于或在几何中心的
- 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。
- Astronomy inherits from astrology . 天文学是由占星学演变而来的。
- One of a set of parallel geometric figures, such as lines or planes. 平行线，平行面如直线或平面等一组平行的几何图形之一
- One that specializes in astronomy. 天文学家专门从事天文学研究的人
- Population can increase in a geometric ratio. 人口可以按几何级数增长。
- X-ray astronomy has made impressive progress. X射线天文学已取得了引人注目的进展。
- Measurement of geometric quantities. 测量法几何数量之测定方法
- He is said to be the founder of modern astronomy. 他被誉为现代天文学的奠基人。
- The generatrix of a geometric figure. 几何形状的母量
- He has a slight acquaintance with astronomy. 他懂一点儿天文学。
- A planar surface of a geometric solid. 表面几何图形的多面体的表面
- He is very interested in astronomy. 他对天文学很感兴趣。
- A geometric figure having all sides equal. 等边形所有各边都相等的几何图形
- Physics and astronomy are cognate science. 物理学及天文学为同性质的科学。
- A geometric figure having three dimensions. 立方体三维几何体
- Jane studied astronomy in university. 简在大学学习天文学。
