| 1. | A family of parallel lines cut the conic .
有一组平行线与圆锥曲线相交。
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| 2. | The circular points are really a degenerate conic .
虚圆点实际上是一退化的二次曲线。
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| 3. | Consider a family of parallel lines that cut the conic .
设有一组平行线与圆锥曲线相交。
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| 4. | The platonic school's most significant discovery was the conic sections .
Plato学派的最重要发现是圆锥曲线。
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| 5. | His chief work was on the conic sections but he also wrote on other subjects .
他的主要著作是关于圆锥线的，但也写过其他方面的著作。
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| 6. | Interpolating g2 continuous closed curve with rational conics
2连续闭曲线插值
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| 7. | An application of the invariants of two conics
2条二次曲线不变量的一个应用
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| 8. | ( 2 ) the a1gorithin for conic correspondence
( 2 )二次曲线的匹配算法。
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| 9. | Extending a group of united nature of conic
圆锥曲线一组统一性质的推广
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| 10. | An approach for approximation of arbitrary conic by biarcs
任意二次曲线的双圆弧拟合成形法
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