"实用天文学"是个多义词，它可以指实用天文学（天体测量学的分支学科）,实用天文学（武汉大学出版社出版图书）。
回顾了作为实用天文学和大地测量学中基本研究课题之一的大气折射映射函数研究的进展。
The development of the mapping function of atmospheric refraction, which is a basic research project in practical Astronomy and Geodesy, is listed in this paper.
他喜欢钟表，船模，对一切实用的物件都有不小的兴趣，热衷天文学，并且创建了皇家美术院。
He adored clocks, ship models, took great interest in things practical, took great interest in astronomy, and founded the Royal Academy of Arts.
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