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directrix of a conic meaning in English

二次曲线的准线

Related Words

  1. directrix
  2. scroll directrix
  3. directrix curve
  4. curvilinear directrix
  5. directrix plane
  6. directrices directrix
  7. directrix of a linear congruence
  8. conic
  9. conics
  10. concentric conics
  11. directrix
  12. directrix curve
  13. directrix of a linear congruence
  14. directrix plane
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