directrices

准线
常用释义
n. 准线

扩展信息

准线
可数名词变复数的规律_百度知道 ... (矩阵)→ matrices;directrix (准线)→ directrices;calix (杯状窝,盏)→ calices;appen…

例句

1·Thus, we give a make-graph method of conic section on plane with arbitrary point as foci, arbitrary line as directrices and arbitrary positive number as eccentricity.

从而给出了以平面上任意点为焦点、任意直线为准线,任意正数为离心率的圆锥曲线的直接作图方法。

同义词