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Posted

拜手稽首.

 

 

bài shǒu qǐ shǒu 成語解釋 拜手:作揖;稽首:古時的一種跪拜禮,叩頭至地,是九拜中最恭敬的。 

Posted

音容笑貌

 

 

拼音: yīn róng xiào mào

 

解释: 指死者生前的声音容貌和神情。

Posted (edited)

帕斯卡定理

 

 

 

指圆锥曲线内接六边形(包括退化的六边形)其三对边的交点共线,与布列安桑定理对偶,是帕普斯定理的推广。 定理约于公元1639年为法国数学家布莱士·帕斯卡(Blaise Pascal)所发现,被称为帕斯卡定理,是射影几何中的一个重要定理。

Edited by zenas
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