conic section

conic section

美 　英

• n.二次曲线；圆锥曲线
• 网络圆锥截面；锥部；圆锥断面

英汉双解

英汉解释

na.	1. 圆锥截面;圆锥[二次]曲线

英英解释

n.	1. a curve produced by the intersection of a plane with a circular cone, e.g. a circle, ellipse, hyperbola, or parabola

例句

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

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

圆锥截面凹面的固定参考点。

Finally, using conic section to approximate the chin outline and remove the neck area.

最后，确定人脸边缘，完成人脸区域精确定位及面部各特征的提取。

Aesthetic quality education in teaching of "conic section"

“圆锥曲线”教学中审美素质教育

According to the fUndamental theorem of coniC In projective geometry any five points can decide one conic section.

在射影几何中，二次曲线定理告诉我们任意五点可以决定一条二次曲线。

On the Point of Intersection of Conic Section in Parameter Form

参数形式的圆锥曲线交点问题

Another Nature of Conic Section

圆锥曲线的又一性质

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

The Relation Between the Eccentricity of Conic Section and the Parameter

圆锥曲线离心率与参变量的关系

The Research Of The Curve Formed By The Conic Section Rolled On Line

圆锥曲线沿直线滚动所形成曲线的研究

Explanation of Michelson interference by conic section

用圆锥截线解释迈克尔孙干涉

Experimental study on new type conic section driving ultrasonic motor

新型锥面驱动超声电机的实验研究

The optical fiber diffraction grating Bragg wave length demodulation algorithm revises which based on the conic section

基于二次曲线修正的光纤光栅Bragg波长解调算法

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

Three expressions of conic section and central force problem

圆锥曲线的三种表示和有心力问题

To Classify the Conic Section with Primary Alternation

浅谈用初等变换对二次曲线进行分类

The Note Solution of Asymptote Equations for Conic Section

关于射影几何渐近线方程的注记

The Necessary Condition to Draw a Tangent Line from the Conic Section

圆锥曲线切线几何作图的充要条件

A Conic Section and a Point

题一条圆锥曲线和一定点

On the Teaching of Second Definition to Conic Section

关于圆锥曲线第二种定义的教学

On the Form-distinguishing and Geometry-pyoof of Conic Section Lines

圆锥截交线的形状分析及几何证明

Another Property of Conic Section

圆锥曲线的又一特性

Electric field of focus of "Conic Section" of even electrification

均匀带电“二次曲线”焦点电场的研究

A Probe into existing Problem of Conic Section

圆锥曲线存在性问题的探索

A Conic Section from Five Elements

由五个元素得到的圆锥曲线

A new definition of conic section

圆锥曲线的一种新定义