英语词汇directrix怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	directrix
释义	directrix 英/ d??rektr?ks / 美/ d??rektr?ks; da??rektr?ks / 简明释义 n.[数] 准线复数 directrixes或directrices 网络释义短语 1 directrix curve 数准曲线 2 directrix of a conic 数二次曲线的准线 3 curvilinear directrix 曲准线双语例句 1 The directrix line of a conic. 二次曲线的准线。 2 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。同近义词 n. [数]准线 neat line??/??alignment wire
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