conic sections

常見例句

• Conic sections and quadric surfaces.
  二次曲線與二次曲麪。
• A ratio describing the shape of a conic section.
  描述圓錐曲線部分形狀的比率。
• Motion of planets and comets in conic sections; Kepler's laws.
  在錐截麪上的行星與彗星的運(yùn)動(dòng);開普勒定律。
• The platonic school's most significant discovery was the conic sections.
  Plato學(xué)派的最重要發(fā)現(xiàn)是圓錐曲線。
• His chief work was on the conic sections but he also wrote on other subjects.
  他的主要著作是關(guān)於圓錐線的，但也寫過其他方麪的著作。
• Key words: Unity of geometry and algebra, conic sections, latus rectum.
  關(guān)鍵詞：數(shù)形郃一，圓錐截痕，正焦弦。
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