directrix
英 [dɪ'rektrɪks] 美 [dɪ'rektrɪks]

n.

准线；

英英释义

Directrix

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

以上来源于:Wikipedia

双语例句

用作名词(n.)

1. 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。
2. 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。

权威例句

A Single Directrix Quasi-Minimal Model for Paper-Like Surfaces
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