| 求作相贯线的极值点 |
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| 引用本文： | 崔培英.求作相贯线的极值点[J].中国计量学院学报,1997(1). |
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| 作者姓名： | 崔培英 |
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| 摘 要： | 用解析法分析可得出：当球面和锥面相交且轴线平行于同一投影面时，相贯线的正面（在V面）投影是抛物线．抛物线的极值点处在一定的几何位置上．
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| 关 键 词： | 相贯线 极值点 |
The Vertex of Inteseetion |
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| Cui Paiying.The Vertex of Inteseetion[J].Journal of China Jiliang University,1997(1). |
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| Authors: | Cui Paiying |
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| Affiliation: | Dept . of Metrological Measurement Engineering |
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| Abstract: | Analytie geometry is used to discuss the interseetion between sphere and cinulor cone.We condude that when their axes parallel the sam projection ptane, the projection of the interseetionon the frontal projection plane is parebola and the vertex of the parabola on the projection planeis on the fixed geometry seat. |
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| Keywords: | Mtersection Vertex |
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