Ancient China made unique contributions to many areas of science including astronomy, calendric system, geography, mathematics, agriculture, medicine and the humanities.
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。
"Siyuanshu" was one of the most distinguished achievements in the ancient mathematics in China.
“四元术”是中国古代数学最杰出的成就之一。
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