“al-Ḥanafī, ʿAlam al-Dīn”的意思、由来-百科全书

词条	al-Ḥanafī, ʿAlam al-Dīn
释义	al-Ḥanafī, ʿAlam al-Dīn Egyptian mathematician, astronomer, and engineer born 1178?, Egypt died 1251, Egypt Egyptian mathematician, astronomer, and engineer. He wrote a treatise on Euclid's postulates, built water mills and fortifications on the Orontes River, and constructed the second-oldest existing Arabic celestial globe.
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