双语例句
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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。
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The authors show that the 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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It's introduced in this paper how to draw the engineering drawing of the plow surface formed by a combination of a oblique helicoid and a hyperboloid of one sheet.
本文介绍由斜螺旋面和单叶双曲面组成的犁面在犁面主参数确定后的工程作图法。
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