directrix信息详情
n.[数]准线
directrixes───n.[数]准线
directrice───n.女指挥(等于directress);女董事
bisectrix───n.等分角线;[数]等分线
rectrix───n.[鸟]舵羽(鸟尾上的硬毛)
directorial───adj.主管的;导演的;指挥的
directories───n.[计]目录,名录;指南;计算机文件或程序的目录(directory的复数)
directrices───n.准线
direct hit───直接命中
direct tax───[税收]直接税(如所得税)
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。
directrix line of a conic.───曲线的准线。
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
Select the conic of which you want to construct the directrix...