directrix

directrix怎么读

英式音标：[dɪ\'rektrɪks]

美式音标：[dɪ\'rektrɪks]

directrix的意思释义

n.

准线；

英英释义

In mathematics, a directrix is a straight line associated to a geometric object, such as:

directrix用法及例句

双语例句

用作名词(n.)

Based on the geometry characteristics of Bertrand surfaces, the complicated surface conjugation issue can be discussed with their directrix line.

基于白川德曲面的几何特征，将复杂的曲面共轭问题归结到准线上来讨论。

The surface generated by a straight line,the generator,passing through a fixed point,the vertex,and moving along a fixed curve,the directrix.

锥面由一条直线，即母线，通过一固定点，即顶点，沿一给定曲线，即准线，连续移动而产生的平面。

例句参考

Dux illa directrixque artium: Rudolph Agricola\'s dialectical system

A guidance directrix approach to vision-based vehicle guidance systems.

Computing Hironaka\'s invariants: Ridge and Directrix

A Robust Procedure to Obtain a Guidance Directrix for Vision-Based Vehicle Guidance Systems

An Algorithm for Computer Vision Sensing of a Row Crop Guidance Directrix

Research Development of Vision-based Guidance Directrix Recognition for Agriculture Vehicles

Algorithm Based on Image Processing Technology to Generate Navigation Directrix in Orchard

Dispersion Curves for Harmonic Waves Propagating Along the Directrix of a Cylindrical Shell Reinforced with Rings

High-frequency asymptotic solutions for backscattering by cylinders with conic section directrixes