双曲抛物面又称马鞍面，其标准方程如定义中所示。我们常用截痕法来讨论它的形状。
... 壳体属于面结构，可单向，双向弯进，或成双曲抛物面（hyperbolic paraboloid）的形式。 Shells are surface structures which are curved in one of two directions or are warped as in hyperbolic parabolo...
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这个曲面是一个双曲抛物面。
单叶双曲面和双曲抛物面是直线曲面。
The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.
作者证实：单叶双曲面和双曲抛物面是直线曲面。
The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.
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