directrix英文翻译_含义_读音_directrix例句

词性释义

n.

[数] 准线

例句

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准线

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

1·The pity is that the first auxiliary directrix after modification is generally expressed in an algebraic form, because of the complexity of the vectorial expression.

遗憾的是，由于其矩阵表达式有些复杂，一般都将修改后的第一辅助准线表示为代数形式。

2·The directrix line of a conic.

二次曲线的准线。

网络释义

准线

英语词汇-数学词汇_专业词汇 ... direction ratio 方向比 directrix 准线 Dirichlet function 狄利克来函数 ...

抛物线的准线

...(focus). 叫做抛物线的准线定直线l 叫做抛物线的准线 (directrix). (directrix).

导面

図学辞书 -... ... 导(平)面 directing plane;plane directrix; directing surface;directrix 特异点 singular point ...