conic section造句

• 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。
• 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。
• Online freehand sketching recognition using primarily conic sections
  基于二次曲线的在线手绘图识别
• The intersection point of two conic sections
  两锥线的交点
• 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。
• The demonstration of the conic section is an envelope of family of straight lines
  圆锥曲线是直线族的包络的证明
• On the uniform equation of conic section in descartes coordinate system
  直角坐标系下圆锥曲线的统一方程及变化动态初探
• The characteristic for a class inscribed triangle of conic section and it ' s application
  圆锥曲线一类内接三角形的性质及其在作图中的应用
• Conic sections get their names because they take the shapes of the cross sections of a cone
  我们称这四种形状为圆锥截线，是由于以不同方法切割圆锥体，便可以得到这些形状。
• This paper , which aims at the developing strategy of express service , researching and analyzing chinese and foreign express corporations current situation , forecasts the demand of chinese express market in fifteen years with conic section model on the base of statistics
  本文立足于快递业的发展战略，调查并分析了中外快递公司在中国发展的现状，根据实际的快递业务数据，利用二次曲线预测模型方法对未来15年内的快递市场需求量进行预测。
• The methodological beauty and the logical beauty of conic section reflect the internal rational beauty ; 3 . the beauty of mathematics in conic section reveals the new value in internal knowledge structure of textbooks . moreover , the application of the beauty of mathematics in high school math teaching is also discussed from the following four points of view : the pursuit of conciseness , the construction of symmetry , the utilization of unity and the discovery of uniqueness
  首先，以圆锥曲线教学为案例来挖掘中学数学教学中的数学美，具体从三个层次探讨圆锥曲线语言之美，是数学美的外在形式美具体展现；圆锥曲线方法美、逻辑美，是深层次数学美的内在理性美的反映；在圆锥曲线的教学过程中，利用其数学美处理教材，揭示内在知识结构的新价值；其次，提出数学美在中学数学学习中的具体案例运用，并具体从追求简洁性、构造对称性、利用统一性和发现奇异性四个方面来举例探讨。
• The basis of dynamics and simulation includes the iterative flyout angle algorithm to the solutions to lambert problem and battin ' s universal conic section state extrapolate method . then spacecraft ' s orbit roots , maneuver impulse and maneuver time are discussed as the following four part : first of all , the chaser ' s one orbit roots is selected as a variable to simulate its influence to the large scale orbital maneuver . the research reveals fact that the orbit roots both of chaser and target should be close to each other to achieve better maneuver and rendezvous " ability , moreover , the best orbit maneuver and rendezvous occurs when both chaser and target ' s initial phase angle are equal
  为了研究了交会机动中追踪器和目标器的轨道根数、机动时限和机动能耗等因素对交会机动的影响,仿真和分析分为以下四个部分:首先,研究了追踪器轨道单个参数为变量情况下两航天器大范围交会机动问题,研究表明,追踪器的变化参量与目标器相应的参量在接近的情况下可以获得良好的交会机动特性,而对于两航天器轨道共面的情况下,初始相位角相等时则获得最佳的机动效果。