人教版高中教材《中国古代史》第八节《隋唐文化的繁荣》中说:“一行还是世界上用科学方法实测地球子午线长度的创始人。”有学生问:既然僧一行能够用科学方法测量子午线,难道他不知道地圆学说吗?要弄清这个问题,必须从以下几个方面入手。一、僧一行是如何测量子午线长度的唐朝 In the eighth edition of the Chinese Ancient History of Ancient Chinese History, the People’s Education Press “Glory of the Sui and Tang Dynasties,” said: “One line is also the founder of the earth’s meridian length measured by scientific methods in the world.” Some students ask: Since you can use scientific methods To measure the meridian, does he not know the doctrine of circularity? To clarify this issue, we must start with the following aspects. One, how to measure the meridian length of the Tang Dynasty