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几何原本. 第1-5卷 利玛窦 口述 徐光启 笔受 古籍古书网盘下载
《几何原本》(希腊语:Στοιχεῖα)又称《原本》。是古希腊数学家欧几里得所著的一部数学著作。它是欧洲数学的基础,总结了平面几何五大公设,被广泛的认为是历史上
张氏医通. 卷之1-2 释 骨 古籍古书网盘下载
国朝沈彤撰。彤有《周官禄田考》,已著录。是编取《内经》所载人身诸骨,参以他书所说,胪而释之,中间多所辨正。如谓经筋篇足少阳之脉,循耳后上额角,额字乃头字之讹。谓

