astronomy
The four new stamps mark the 100th anniversary of the British Astronomical Association.
这四枚新邮票是为了纪念英国天文协会成立100周年而发行的。
—— 柯林斯例句There are differences between historical and astronomical numbering of years.
在历史的年代数目和天文年代数目之间存在差别。
—— 辞典例句The mathematical material is presented in chapters of work on astronomy.
数学材料是夹在天文著作的篇章里讲述的。
—— 辞典例句Astronomical research began to spread over the whole range of electromagnetic waves.
天文研究开始向整个电磁波谱范围延拓。
—— 辞典例句It leads to the dramatic advances in astronomical photography.
天文照相术得到巨大发展。
—— 辞典例句