directrix

directrix什么意思,directrix翻译

基本解释

n.: 【数】准线；〈古〉同“directress”
网络: 抛物线的准线；导面

英汉解释

• 【数学】准线

词性分析

• 复数：directrixes

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

• The directrix line of a conic.

  二次曲线的准线。

• Select the directrix of the new conic. . .

  选择新二次曲线的准线…

• New Latin parametrum [a line through the focus and parallel to the directrix of a conic]

  现代拉丁语parametrum[通过焦点并与圆锥曲线的准轴线平行的直线]

• Developable Surfaces Generated by a Directrix

  导线生成的可展曲面

• Constructing Directrix for Conic Curve

  圆锥曲线准线的几何作图