查询词典 conic section

However, when determining the different orders of four points, there is difference existing in the conic section type.

但是，不同顺序的四点在决定二次曲线类型存在着差异。

B A new method for describing the projection of a line in an omni-image as a conic section is proposed.

b我们提出了一个利用圆锥曲线来描述环场影像中的直线投影的新方法。

A fixed reference point on the concave side of a conic section.

圆锥截面凹面的固定参考点。

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 15 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我国发展的现状，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，并在分析快递业存在问题的基础上，提出了快递业谋求发展的措施以及应付激烈竞争的对策。

A conic section whose plane is not parallel to the axis,base,or generatrix of the intersected cone.

圆锥的一部分，其切面既不平行于轴和基面，也不平行于圆锥母线

A conic section whose plane is not parallel to the axis, base, or generatrix of the intersected ''.

圆锥的一部分，其切面既不平行于轴和''。

Mathematics A fixed point whose relationship with a directrix determines a conic section.

焦点：一个与准线的关系决定圆锥形状的定点

This paper uses SPSS software to research the problem and discover some results: The relation between board size and EPS is remarkable but actually U conic section relations.

本文通过SPSS软件进行描述性统计，并利用所得数据和设计的模型，对董事会特征与公司绩效进行相关性分析，对提出的假设进行检验。

The results show that the section of conic is superior to that of cylindrical on filtration characteristic;the ceramic particle diameter of 20 micrometer or so is suitable for the filter media used for th...

结果表明：锥状截面陶瓷过滤元件从过滤特性上讲更优越；对整体煤气化联合循环陶瓷过滤元件的过滤介质来说，陶瓷颗粒直径为2 0 μm左右时是适合的。

Through the process of learning different kinds of theorems, solving various geometry problems involving using those theorems, as well as combining the usage of plane geometry methods with analytic geometry, especially with conic section, we gained our own unique understanding and strong interest of plane geometry.

通过对平面几何各种定理的了解、证明，结合高中数学联赛具体题目中各种定理、推论的应用，以及平面几何与解析结合在圆锥曲线问题中的实际结合，我们对平面几何有了自己独特的见解和浓厚的兴趣。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。