| 词汇 | directrices |
| 类别 | 英汉双解翻译词典 |
| 释义 | directrices 释义 n. 准线 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 n. 准线 neat linealignment wire |
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