- 更多网络例句与九点圆相关的网络例句 [注：此内容来源于网络，仅供参考]
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Firstly , the following proofs are made by means of homothet-ic transformation : 1 the centre of a nine-point circle is at the midpoint of ligature of its curcumcentre andorthocentre; 2 the radius of nine-point circle is equal to half of the radius of its curcumcircle.
本文给出一个简单的证法，先用位似变换的方法证明九点圆的圆心在外心和垂心连线段的中点，九点圆的半径等于外接圆半径的一半。
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Prominent in the modern elementary geometry of the triangle is the nine-point circle.
九点圆在三角形的现代初等几何中是重要的。
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Prom nt in the modern elementary geometry of the triangle is the nine-point circle .
九点圆在三角形的现代初等几何中是重要的。
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Then thetheorem can be proved by calculating the distances of centres between a nine-point circle and...
然后通过计算九点圆与内切圆、九点圆与旁切圆的圆心距，使定理获得证明。
- 更多网络解释与九点圆相关的网络解释 [注：此内容来源于网络，仅供参考]
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non additivity：非加性, 可加性
nine-point circle 九点圆 | non-additivity 非加性, 可加性 | non-adjacent edges 非邻边,非邻棱
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Newton three laws of motion：牛顿运动三定
Newton laws of mechanics 牛顿 学定 | Newton three laws of motion 牛顿运动三定 | nine-point circle 九点圆
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nilpotent radical：幂零根基
nilpotent matrix 幂零矩阵 | nilpotent radical 幂零根基 | nine point circle 九点圆
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nine point circle：九点圆
nilpotent radical 幂零根基 | nine point circle 九点圆 | nine point finite difference scheme 九点有限差分格式
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nine point finite difference scheme：九点有限差分格式
nine point circle 九点圆 | nine point finite difference scheme 九点有限差分格式 | niveau line 等位线