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;
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