这个圆锥曲线有什么偏几何(可能要用射影几何)的做法? 知乎 Template




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Try and sketch some of theseLove letter, Plank, Baseball mitt, Peninsula, Wizard, Lion, Parrot, Cove, Crab trap, Bison, view more ideas


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tomski这个圆锥曲线有什么偏几何(可能要用射影几何)的做法? 知乎 coloring