大家都搜:
n.[数]准线
1、bisectrix───n.等分角线;[数]等分线
2、directrice───n.女指挥(等于directress);女董事
3、directrices───n.准线
4、directories───n.[计]目录,名录;指南;计算机文件或程序的目录(directory的复数)
5、directrixes───n.[数]准线
6、direct tax───[税收]直接税(如所得税)
7、directorial───adj.主管的;导演的;指挥的
8、rectrix───n.[鸟]舵羽(鸟尾上的硬毛)
9、direct hit───直接命中
1、directrix line of a conic.───曲线的准线。
2、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]
3、Select the directrix of the new conic. . .───选择新二次曲线的准线…
4、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。
5、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
6、Constructing Directrix for Conic Curve───圆锥曲线准线的几何作图
7、The directrix line of a conic.───二次曲线的准线。
8、Developable Surfaces Generated by a Directrix───导线生成的可展曲面
1、Select the conic of which you want to construct the directrix...