“conjugate ruled surface”的概念、定义、翻译、参考文献-科学参考

单词	conjugate ruled surface
释义	conjugate ruled surface [`kän·jǝ·gǝt ¦rüld `sǝr·fǝs] ^MATHEMATICS The ruled surface whose rulings are the lines that are tangent to a given ruled surface at the points of its line of striction and are perpendicular to the rulings of the given ruled surface at these points.
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