由天文历法来计算太阳在天空中的位置。
Moreover, the sun position in the sky is obtained by astronomic algorithms in the case of open loop.
清代钦天监是专门研究天文历法的重要机构。
The Tmperial Board of astronomy was a research institution on astronomy and calendar in the Qing Dynasty.
然而该书提供的天文历法在当时是最先进的，历史证实刘焯研究天文学已有相当高的水平。
However, the book provides the astronomical calendar was the most advanced in the study of the history of astronomy confirmed Zhuo has a fairly high level.
古代中国在天文历法、地学、数学、农学、医学和人文科学的许多领域，都作出过独特的贡献。
Ancient China made unique contributions to many areas of science including astronomy, calendric system, geography, mathematics, agriculture, medicine and the humanities.
采取这种政策的原因是传统天文历法管理政策的影响、明初严厉的法律和对天象灾异说的担心。
The causes to adopt such the policy were the effects of traditional astronomical policy, and stringent laws in early Ming Dynasty, and the fear to the theory of Chen-wei superstition.
《春秋》为鲁国天文历法的研究提供了纵向对勘的资料 ，春秋时期是由观象授历到科学历法过渡的重要阶段。
The Chun Qiu (Spring and Autumn Annals)provides longitudinal material for comparison and collation in the study of the astronomy and calendar of State Lu.
围棋构造象、形、理、数、“天圆地方”、“天盖地之象”、“三百六十有一周天数”与《河图洛书》、“天文历法”、《伏羲八卦》、《来知德》太极图有着紧密联系。
The "three hundred and sixty plus one days" is tightly linked with River Pattullo book, "astronomy and Chinese calendar", The Eight Trigrams of Fuxi, the Diagram of the Supreme Ultimate of Lai Zhide.
当然，我对天文和历法的功能很感兴趣。
Certainly, I am interested in astronomical and calendar function.
研究合著者、科尔盖特大学天文学兼人类学教授安东尼·艾凡尼表示，在2012年结束的只是其中一个历法周期。
All that ended in 2012 was one of its calendar cycles, said co-author Anthony Aveni, professor of astronomy and anthropology at Colgate University.
史官的天文、历法、星历等王官之学构成了阴阳家的知识背景。
Furthermore, the historiographers' professional knowledge on astronomy, calendar and astrology became the knowledge background of the Yin-Yang school.
所着天文、历法、数学方面的书籍，共达86种，在中外科学知识的整理上，作出了重大的贡献。
Of the astronomy, calendar, mathematics books, a total of 86 species of Chinese and foreign scientific knowledge of the order, the made a significant contribution.
出现了世界上最早的天文著作《甘石星经》，历法的确立比欧洲早160年。
In the world's oldest astronomical book "Gan Shi Xing Jing", the calendar established than in Europe as early as 160 years.
证据很明显，某些拥有天文学先进知识的人访问过这个行星的人们，留来了历法作为标记。
The evidence is clear. Someone with advanced knowledge of astronomy has visited peoples of this planet and left calendars as a signature note.
出现了世界上最早的天文著作《甘石星经》，历法的确立比欧洲早160年。
There have been the world's oldest astronomical works, "Gan Shi Xing Jing", the calendar established than in Europe as early as 160 years.
为了使玛雅历法的一个完结日与围绕着的以欧洲为基础的格里高利体系等同，已经让天文学家们伤透了脑筋。
Equating an end-date for the Mayan calendar round with a date in the European-based Gregorian system has been a heartbreaker for astronomers.
作为中国历史上一部先进的、精确的历法，《授时历》在世界天文学史上也占有突出的位置。
As an advanced and accurate calendar in the history of China, the Shoushi calendar also occupies a distinct position in the history of world astronomy.
同时也为研究古代天文、历法提供了准确的参考尺度。
Their accuracy is amazing and they also provide precious materials for research on the development of science and technology in ancient China.
同时也为研究古代天文、历法提供了准确的参考尺度。
Their accuracy is amazing and they also provide precious materials for research on the development of science and technology in ancient China.
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