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geometry
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geometry
几何学
数学中最古老的一门分支学科。相传起源于古埃及尼罗河泛滥后为修整土地而产生的测量法。泰勒斯曾利用三角形全等做间接的测量工作。中国古代有勾股测量,在《周髀算经》中记载了周公姬旦和商高关于“勾三、股四、弦五”的对话(约前1000)。从埃及产生的几何学传到古希腊,逐渐发展成理论的数学。哲学家柏拉图(前429~前348)确立了几何学中定义、公设、公理、定理等概念,树立了哲学与数学中的分析法和综合法的概念。梅内克缪斯(约前340)已经有了圆锥曲线的概念。
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geometry
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geometry
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the couple have no male heir are both dead and elders designate a male heir for them
the couplet Hanxin Temple in Anhui Huo Mountain
the couplet in the alliance of Snow Fragrant and Cloud Gather Pavilion in Humble Administrator's Garden
the couplet of Baotu Spring Guanlan Pavilion
the couplet of Baotu Spring Luoyuan hall
the couplet of Cold Spring Pavilion in Lingyin
the couplet of Four View Pavilion in Xiling Press
the couplet of Great Light Lake
the couplet of Green Waves Pavilion
the couplet of Gui Lakein Xindu, Sichuan
the couplet of Harmony and Fun Garden in Summer Palace
the couplet of Landscape Pavilion in West Lake World
the couplet of Listening Waves Pavilion in White Cloud Mountain of Guangzhou
the couplet of Lixia Pavilion in Great Light Lake
the couplet of Maitreya Buddha in Yongquan Temple, Fuzhou City
the couplet of Seventeen Hole Bridges in the Summer Palace
the couplet of SiMa Temple in Han City, Shanxi
the couplet of The Hall in Parallel Mountain
the couplet of Three Pools of Moon Seal
the couplet of three scholars Temple Association of Ancient Blowing Stage, Kaifeng, Henan
the couplet of three Su Temple in Meil Mountain, Sichuan
the couplet of Twenty-Four Bridges
the couplet of Yangtze River Temple in Wenzhou
the couplet of Zhuge Caolu House in Nanyang Wollong Hill
The Coup of Wangyi Palace
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