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.
证明了摆线齿锥齿轮副的啮合线是单叶双曲面上的一条曲线。
It is demonstrated that the meshing line between two meshing epicycloidal bevel gears is a curve of uniparted hyperboloid.
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。
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.
通过动力学分析，得到了对于单叶双曲面平板直刃滚筒式切碎器切割秸秆层切割阻力矩的数学模型，经过试验验证验证了其有效性。
Based on the mechanics analysis, the mathematical model of the cutting torque was established, and the validity of the model was demonstrated by the experiments.
利用保角变换，首先在二维平面得到双曲线型的等位线簇方程，然后过渡到三维空间，从而得到表面为单叶双曲面（两实半轴相等）的带电导体的等位面簇方程。
Transition to the three-dimensional space, then we obtain the equation of equipotential surface families of charged conductor with surface of hyperboloid of one sheet.
该文给出并证明球面与单叶旋转双曲面的轨迹互变特征。
This thesis has railed and proved the characteristics of locus mutual change about spherical surface and hyperboloid of the one sheet of revolution!
该文给出并证明球面与单叶旋转双曲面的轨迹互变特征。
Study of truncated intersector curve of single leaf and double leaf bilateral curved rotation surface;
该文给出并证明球面与单叶旋转双曲面的轨迹互变特征。
Study of truncated intersector curve of single leaf and double leaf bilateral curved rotation surface;
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