directrix

directrix 的中文释义

• n.

  准线

• [计] 准线

directrix 的英文释义

• n.

  A directress.

• n.

  A line along which a point in another line moves, or

• which in any way governs the motion of the point and determines the

• position of the curve generated by it; the line along which the

• generatrix moves in generating a surface.

• n.

  A straight line so situated with respect to a conic

• section that the distance of any point of the curve from it has a

• constant ratio to the distance of the same point from the focus.

directrix 的词形变化

暂无词形变化数据。

相关单词