几何学是研究各种图形变动计算个一门学科,分为平面几何立体几何,还有解析几何,是个毛数学交关重要个一支分支[1][2]

事实速览
维基共享资源里向寻得着搭该篇文章搭界个多媒体资源:
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笛沙格定理个描述,笛沙格定理勒欧几里得几何搭射影几何个重要结果
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参考文献

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