The absolute quadric 或其对偶绝对二次曲面
absolute dual quadric 绝对二次曲面
the absolute dual quadric 绝对二次曲面
the absolute conic quadric 绝对二次曲线
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To solve the problem, the method that all the elements of the image of dual absolute quadric are transformed into the same magnitude is proposed.
提出了一种变换法，使对偶绝对二次曲面像的各个元素变到同一个数量级上，可以使求解过程更具有鲁棒性。
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