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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.
辞典例句
The authors showthe hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.
单叶双曲面和双曲抛物面是直线曲面.
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This paper explores three ruled surfaces geometry properties about columnar surface, cone surface and hyperbolic paraboloid.
研究建筑上常用的柱状面 、 锥状面和双曲抛物面等不可展直纹曲面的几何性质.
双曲抛物面???
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