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单词
tangent line
释义
tangent line
n.
(名词)
A line sharing a common point with a curve or surface and being the closest linear approximation of the curve or surface at that point.
正切线:与一条曲线或一个平面共切于一点的一条线,而在切点处其与该曲线或平面的线性相似最为接近
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更新时间:2025/12/10 23:13:56