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词汇 Conjugate diameter
分类 英语词汇 英语翻译词典
释义

Conjugate diameter

英语百科

Conjugate diameters

 
Two conjugate diameters of an ellipse. Each edge of the bounding parallelogram is parallel to one of the diameters.
For any φ, the indicated diameters of the circles and hyperbolas are conjugate.

In geometry, two diameters of a conic section are said to be conjugate if each chord parallel to one diameter is bisected by the other diameter. For example, two diameters of a circle are conjugate if and only if they are perpendicular.

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