音标:[dɪ'rektrɪks; daɪ-] ;
n. [数] 准线
pl. of Directrix

directrix的用法和样例:

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。

词汇搭配

  • directrix curve准曲线
  • directrix plane准平面

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